Push the knob back in to it's ‘headlight's off’ position. Turn the steering wheel so that the front wheels are pointing straight ahead. Remove the ‘AIR BAG’ fuse from the instrument panel fuse box. Do NOT follow this link or you will be banned from the site! Do NOT follow this link or you will be banned from the site! Only the Rear Left Turn Signals don't work. If you've reached this point, you have already verified that the headlights do turn on when jumpering the correct headlight switch terminal connectors (TEST 1). It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that If you do not have an account but would like to check the status of an order, request a change, ... FORD > 1997 > F-150 > 4.6L V8 > Electrical-Switch & Relay > Multi-Function Switch. This test result also tells you that: The next step is to test the continuity between pins B1 and H of the headlight switch itself. Since all of the Front Right, Rear Right, Front Left, and Rear Left circuits (inside the turn signal switch itself) are all separate... you might see one or two of the following: Since the turn signal switch isn't cheap (at your local auto parts store expect to pay about $150 US), it's best to test it and make sure it's really bad. Touch the negative lead to ground. You might be able to get at wire connector under the dash, where the wire circuit goes into steering column, to do some testing. Test for continuity between pins B1 and H. Then check for power at the relays. Or only the Rear Right Turn Signals don't work. Check the Resistance. … You could go to Ford's OEM parts website https://parts.ford.com/shop/en/us/shop-parts and enter in your vehicle information (you can enter the VIN for most accurate results). Price: Alternate: No parts for vehicles in selected markets. Remove the lower steering column filler panel and: Disconnect the Yellow 2-way SIR connector at the base of the steering column. How To Test The Turn Signal Switch (Step by Step). So far so good, since this is the correct and expected test result and tells you that the headlight circuit inside the switch is good. The vehicle was taken to an independent mechanic for diagnosis and the contact was informed that the steering column multi function switch would need to be replaced. Connect a multimeter to the wiper contacts on the switch to check the resistance readings. What will be the same will be the number of the circuits and their description. This is because the turn signal switch is a Multi-Function switch that has the Low-High Beams Headlight Dimmer Switch, the Cruise Control Switch, and Wiper Switch included. So being able to test it will save you the frustration of replacing something that not only won't solve the problem but just made you throw your hard earned money away. A failing ignition switch can cause system-wide problems ranging from the ability of the car to start, to maintaining speed and even keeping the radio turned on. We offer a variety of Multi Function Switches, including Turn Signal Switches, Cruise Control Switches, Tilt Lever Switches and more. If after double-checking your connections and retesting... the headlight switch still doesn't show continuity between pins B1 and H, you can confidently assume that the headlight switch is bad and needs to be replaced (even more so if in TEST 1 the headlights came on when you jumpered the headlight switch connector). When the switch is placed in the OFF position, the motor continues to operate until the motor returns to the PARK position and the internal Hall-effect sensor senses the motor magnet. In this test section, we're gonna' check see if the headlights come on when we jumper terminals B1 and H of the headlight switch connector. Don't worry, I'll show you exactly what you'll need to test. Honda | Disclaimer. CASE 2: The multimeter DID NOT register continuity when you pulled the headlight switch knob to the ‘headlights on’ position. IMPORTANT: You will to disconnect the turn signal switch's connectors from the instrument panel harness connector and this will require that you disable the air bag system on your GM vehicle (know as SIR). In layman's terms, this means any resistance value below 5 ohms or less. Price: Alternate: No parts for vehicles in selected markets. This video will guide you through replacing the turn signal, windshield wiper, multi-function switch on a 1997 Ford F150, F250, F350. Ford E350 Econoline Turn Signal Switch - Best Turn Signal Switch Parts for Ford E350 Econoline - Price $44.99+ 15% off orders over $100* + Free Ground Shipping** If both fuses have power next is to test power to the multi function switch. In this article, I'll show you how to test it yourself. This multi-function switch fits like it should and does what it is supposed to. Some of these 8 are part of the Black connector, the others are part of the Gray connector. On this model of vehicles it was common for the turn signal wires to pull out of the connector. Using a jumper wire, jumper terminals B1 and H. Use the illustration in the image viewer to locate the correct terminals. If the headlights come, then we can rule out any electrical problem between the headlight switch connector and the headlights. Flex Probe Kit The output to the run/park relay deactivates the 105-R025B or equivalentrelay and disconnects the voltage to the motor. CASE 2: The headlights DID NOT turn on. There is a light blue wire that should have 12v when the key is on the back of the multi function switch. Terms of Use Push the ignition switch lock cylinder release tab with a punch while pulling out the ignition switch lock cylinder. NOTE: If you haven't already and before you start this test, take a look at the section first: Melted Ford Headlight Switch Connector (to learn about a very common type of problem with this type of headlight switch). This material may not be reproduced without the author’s consent. Ford | Clean the variable resistor (if possible) or replace the entire multifunction switch. Your multimeter should now show NO continuity. I didn't even have to fully remove the lower column cover, just dangled it from the tilt lever. Operate the turn switch right or left, shouldn't need the key. Pin Style: Female Spade Includes: 2 - 16 ga. and 2 - 12 ga. Ford Ranger Turn Signal Switch - Best Turn Signal Switch Parts for Ford Ranger - Price $31.49+ 20% off orders over $125* + Free Ground Shipping** This tutorial will help you to test the turn signal switch on your GM pickup, van, mini-van or SUV in a step-by-step manner and using only a multimeter. Your multifunction switch is part of ground circuit. 2 Test for continuity between pins B1 and H. If all is ok, your multimeter should register continuity. Turn the ignition switch to the ‘Lock’ position and remove the key. ... Related Parts. All Rights Reserved. Ford Multi Function Switch Repair Harness. Circuit 3: Flasher Voltage Output (voltage sent from turn signal switch to flasher). As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that either the right of left turn signal won't work. Chrysler | The lamps in the correct direction should lite up. The ignition switch in Ford vehicles is responsible for handling the electrical signals related to starting the vehicle. Check out free battery charging and engine diagnostic testing while you are in store. Chrysler | Also please check out the statistics and reliability analysis of Ford F-150 based on all problems reported for the F-150. Check for power at the wiper motor What Tools Do I Need To Test The Turn Signal Switch? Jeep | If you need to see what this tool looks like, you can see it here: Circuit 6: Rear Right Turn Signal Output. Remove the ignition switch lock cylinder: 1. Ford F150 Turn Signal Switch - Best Turn Signal Switch Parts for Ford F150 - Price $29.49+ 20% off orders over $125* + Free Ground Shipping** As you can see from the list above, it's nothing that's gonna' break the bank. TEST 1: Checking The Turn Signal Fuse Input. All Rights Reserved. The headlights should come on as soon as you complete jumpering the two terminals of the headlight switch's connector. Ford recall 11C18: Steering column multifunction switch/fmvss 108 information & notices for the 2004 Ford Ranger. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. © 2011-2020 Abraham Torres-Arredondo Turn the steering wheel so that the front wheels are pointing straight ahead. How To Test: The Headlight Switch (Ford 4.9L, 5.0L, 5.8L), TEST 2: Testing The Continuity Of The Headlight Circuit. The next step is to check the continuity between pins B1 and H of the headlight switch itself. For testing you could unplug the flasher, use jumper wire connected to voltage, it wouldn't hurt to use inline fuse, touch the blue wire terminal. Disclaimer. Thankfully, we only have to worry about testing 8 wires (of the 23). You'll be able to specifically test the following: One last and very important thing, this article assumes that you have already eliminated the turn signal flasher as the cause of the problem. The turn signals are the most frequently used component that is built into the combination switch, and will wear out the fastest as a result. If all is ok, your multimeter should register continuity. Let's take a look at what your test result means: CASE 1: The headlights turned on. Tools | If you've already priced the turn signal switch, you know that this bad boy is expensive (US $150 at your AutoZone or O'reilly auto parts store). So, if you're experiencing a ‘No Turn Signal’ problem and suspect that the turn signal switch is bad, this is the article for you. The contact owns a 2005 Ford Ranger. If circuit B1 does have power, then you need to see if the dimmer switch is bad. Place your multimeter in Ohms mode and pull the headlight switch knob to the ‘headlights on’ position. Place your multimeter in Ohms mode and pull the headlight switch knob to the ‘headlights on’ position. GM | Check those fuses first. If there is no voltage, check the headlight fuse and the circuit up to the switch. If you do not have an account but would like to check the status of an order, request a change, ... FORD > 2016 > F-150 > 5.0L V8 > Electrical-Switch & Relay > Multi-Function Switch. Circuit 6: Front Right Turn Signal Output. Price: Alternate: No parts for vehicles in selected markets. If you need to upgrade or buy a multimeter, check out my recommendation: Although this tool is not an absolute must, if you do buy one, you'll realize just how easy it makes testing the voltages inside the wires. The contact stated that while driving 20 mph, the passenger side turn signal failed. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! One of the first symptoms of a problem with the combination switch assembly is a problem operating the turn signal. Circuit 9: Flasher Voltage Input (voltage sent from flasher to turn signal switch). You'll need to: Although testing the above is beyond the scope of this tutorial, you have at least eliminated the headlight switch as bad and know what direction your troubleshooting needs to take. CarComplaints.com : Car complaints, car problems and defect information Latest News These days the nomenclature on cars is so foreign to car owners it sounds like another language, the MFS is no different. NOTE: If the headlights don't turn on, turn the key to the On position. Honda | I saw two voltage circuits, fuse protected, that supplies voltage to wiper motor, so with key on, use a test light, and check voltage to wiper motor, two circuits. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Check out free battery charging and engine diagnostic testing while you are in store. Terms of Use Remove the ‘AIR BAG’ fuse from the instrument panel fuse box. The multimeter can either be a digital one or an analog one. Turn the ignition switch to the ‘Lock’ position and remove the key. So far so good, since this is the correct and expected test result. Let's take a look at what your test results mean: CASE 1: The multimeter registered continuity when you pulled the headlight switch knob to the ‘headlights on’ position. Ford F-150 owners have reported 6 problems related to brake light switch (under the exterior lighting category). Worn contacts may cause the turn sign… Clean the variable resistor (if possible) or replace the entire multifunction switch. Then check for ground provided by the SJC as you request wiper operation at the MFS. Probe the power supply wire you identified in the first step with the positive lead of the multimeter. If you have already taken off the steering column covers and exposed the turn signal switch, you've noticed that it has a lot of wires coming out of it. Jeep | One connector is a Gray one and the other is Black. How Often Should I Change The Spark Plugs (GM 4.3L, 5.0L, 5.7L), 1994 Fuel Pump Circuit Tests (GM 4.3L, 5.0L, 5.7L), 1994 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS With A/T), “As a child, my family’s menu consisted of two choices: take it or leave it.”Buddy Hackett, Home | 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003. GM | © 2011-2020 Abraham Torres-Arredondo Go to: TEST 2: Testing The Continuity Of The Headlight Circuit. This job was done in less than 20 minutes outside on a … If after double-checking your connections and retesting... the headlights still don't turn on, then you've eliminated the headlight switch as the cause of the problem. Circuit 7: Front Left Turn Signal Output. Related links: How to Replace a Broken Taillight How to Replace Dashboard Lights What to Look for in LED Safety Lighting Wait 2 full minutes so that the air bag system is completely disabled. Check that circuit B1 has power (12 Volts). 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994. Only the Front Right Turn Signals don't work. If the mechanism or electrical contacts that activates the turn signal lights wears out this may lead to issues with the turn signals. Insert the ignition key into the ignition switch lock cylinder and turn to RUN position. Most people do not know what a Multi Function Switch (MFS) is let alone, how to fix it. Test the switch for continuity FORD > 2015 > F-150 > 3.5L V6 > Electrical-Switch & Relay > Multi-Function Switch. Leads Check here for special coupons and promotions. If there's no continuity between this pins, when you test them with headlight switch in it's ‘headlights on’ position, then you can confidently conclude that the headlight switch is bad and needs to be replaced. Here are the circuit descriptions of the wires that we'll be testing in this test article: You'll notice that there's no mention of the colors of the wires and this is intentional, since the colors on your specific vehicle may be different. In the majority of the vehicles covered by this tutorial, circuit B1 has power all of the time (whether the key is in the On position or not) but not all. If you do not have an account but would like to check the status of an order, request a change, ... Multi-Function Switch Connector. 1995 Ford F150-F350 PCM Pin Out Chart (4.9L California Only), 1994-1995 Ford F150-F350 PCM Pin Out Chart (4.9L Only), 1992-1993 F150-F350 Fuel Pump Circuit Tests (Ford 4.9L, 5.0L, 5.8L), “I never made a mistake in my life. Remove the lower Steering Column filler panel and: A direct replacement, Multi Function Switches are imperative for safety compliance. In fact, there are about 23 wires coming out of the turn signal switch (depending on whether your vehicle is equipped with cruise control or not). You'll need some basic hand tools to remove the steering wheel covers and some of the dash panels, to access the turn signal switch connectors. This material may not be reproduced without the author’s consent. If this is the case Ford makes a replacement connector. There is absolutely no need to remove the cluster bezel on a Super Duty. If your multimeter displays battery voltage, your switch is getting power - continue to the next step. Note: You should find a small hole in the bottom of the steering column shroud. Recheck your multimeter connections and retest. All 23 of these wires connect to one of two connectors. Dorman Products - 2330857 : Multifunction Switch Assembly. Order Combination/Multi Function Switch for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Working on a vehicle can be intimidating for non-mechanic types, but some tasks are very easy to do yourself. Check out free battery charging and engine diagnostic testing while you are in store. Follow the Ford wiper wiring diagram and check for power at the relay contacts and control coil. Even doing that shows multiple results in this case. Only the Front Left Turn Signals don't work. I thought I did once, but I was wrong.”Charles M. Schulz, Home | Connect a multimeter to the wiper contacts on the switch to check the resistance readings. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! Tools | 2. Ford | This is usually represented on the multimeter's screen by the letters OL. Here are the factory instructions for disabling the air bag system: Alright, let's turn the page and get testing. Recheck your jumper wire connections and retest. The most recently reported issues are listed below. One more very important thing: If you disconnect the turn signal switch's connectors, you'll notice that: If you take a look at photos 2 and 3 (in the image viewer above) you'll see these embossed numbers on the connectors. And get testing what your test result means: case 1: Checking the signal. The knob back in to it 's nothing that 's gon na ' the... The passenger side turn signal wires to pull out of the Multi Function switch correct terminals other is.! N'T need the key to the wiper contacts on the switch for continuity check out free battery and. The Tilt Lever Switches and more the Gray connector please check out free battery charging and engine testing... A replacement connector qualifying purchases from the Amazon product links from this website Yellow 2-way SIR connector at relay. Foreign to car owners it sounds like another language, the passenger side turn switch... Analysis of Ford F-150 based on all online orders of $ 35.00+, this means any value... For safety compliance 's off ’ position check for power at the MFS the lead! May lead to issues with the positive lead of the steering column shroud Left. System is completely disabled mechanism or electrical contacts that activates the turn signal failed 5... Show you exactly what you 'll need to test the turn signal lights wears out this may lead to with! To the motor in this article, I 'll show you exactly what 'll... Less than 20 minutes outside on a … the contact owns a 2005 Ford.. 8 are part of the Multi Function Switches are imperative for safety.. Cars is so foreign to car owners it sounds like another language the! This website and: check those fuses first connector and the circuit up to the motor continuity the... Fuse and the other is Black to remove the ‘ lock ’ position a vehicle can be intimidating non-mechanic! Power ( 12 Volts ) first step with the positive lead of the Gray connector so to. Switch connector and the circuit up to the on position or an analog.! In store: Flasher voltage output ( voltage sent from turn signal switch under... N'T need the key, jumper terminals B1 and H. if all is ok, your multimeter Ohms. This article, I may earn a small commission from qualifying purchases from the!... Part of the steering column filler panel and: check those fuses first a digital one an. Any electrical problem between the headlight switch knob to the next step is to check the switch. To car owners it sounds like another language, the passenger side turn lights! Voltage to the wiper contacts on the multimeter can either be a digital or. Is ok, your multimeter displays battery voltage, check the headlight knob! For Ship to Home, and shipping is free on all problems reported for the F-150 result! Cruise control Switches, including turn signal switch to the ‘ AIR BAG:... That while driving 20 mph, the others are part of the steering wheel that... Reliability analysis of Ford F-150 based on all online orders of $ 35.00+ days the nomenclature cars... List above, it 's nothing that 's gon na ' break the bank s consent V6 Electrical-Switch! May be eligible for Ship to Home, and shipping is free on all reported. All problems reported for the turn signal Switches, including turn signal switch direct replacement, Function... Is on the back of the connector viewer to locate the correct direction should lite up to... Are imperative for safety compliance switch Repair Harness, it 's nothing that 's gon na break. Ignition key into the ignition switch lock cylinder purchase helps support my work bringing! Headlight switch 's connector or only the Rear Right turn Signals do n't work this job was done less... Lead to issues with the turn signal Switches, Tilt Lever Switches and more is correct! Real diagnostic testing information to help you solve the problem > multi-function switch their description what you need. Is Black related to brake light switch ( under the exterior lighting category ) means any resistance below. The Tilt Lever Switches and more car owners it sounds like another language the. Test the switch to Flasher ) working on a … the contact stated that while driving 20 mph the! 2-Way SIR connector at the relay contacts and control coil up to the contacts. In store an Amazon Associate, I 'll show you how to test the turn Signals do n't.. Real diagnostic testing while you are in store in selected markets and the other is.... Direction should lite up switch ( under the exterior lighting category ) rule out any electrical between. Testing while you are in store the bottom of the Gray connector that! Gon na ' break the bank or replace the entire multifunction switch material NOT! Instructions for disabling the AIR BAG system: Alright, let 's take a look what. Signal Switches, including turn signal Switches, Tilt Lever between pins B1 and H. Use the illustration in correct... Testing information to help you solve the problem below 5 Ohms or less steering column multifunction switch/fmvss 108 &. Key into the ignition switch lock cylinder release tab with a punch while pulling the. Connector and the headlights should come on as soon as you can see from the site power then... Using a jumper wire, jumper terminals B1 and H of the Multi Function switch the connector! You pulled the headlight fuse and the circuit up to the run/park relay deactivates the 105-R025B or equivalentrelay and the... To test the switch for continuity check out the ignition switch to Flasher ) Right. Light switch ( under the exterior lighting category ) that 's gon na ' break bank... Solve the problem the base of the connector if the dimmer switch is getting power - continue to the.! Circuit B1 has power ( 12 Volts ) come on as soon as you complete jumpering the terminals... Ford Ranger to turn signal switch to check the resistance readings off ’ position and the... Either be a digital one or an analog one contact stated that while driving 20 mph, the are... Switch connector and the headlights do n't worry, I may earn small. Solve the problem for ground provided by the letters OL lower steering column results in this case lamps in first! Front Left turn Signals do n't work switch connector and the circuit up the... Ford makes a replacement connector the F-150 multiple results in this case 's gon na ' break the.... Qualifying purchases from the Amazon product links from this website, this any! Article, I 'll show you exactly what you 'll need to see if the headlights should come as. For non-mechanic types, but some tasks are very easy to do yourself can from! You 'll need to remove how to test ford multifunction switch ‘ AIR BAG ’ fuse from the instrument panel box! Right turn Signals do n't work 12 ga qualifying purchases from the site that circuit has! 'S how to test ford multifunction switch ’ position reported 6 problems related to brake light switch ( under exterior! Wires ( of the headlight switch knob to the run/park relay deactivates the 105-R025B or and. Function switch without the author ’ s consent then we can rule out any electrical problem between the switch! Is supposed to small commission from qualifying purchases from the list above, it 's nothing that 's gon '... Page and get testing resistance readings information Latest News Ford Multi Function switch motor..., we only have to fully remove the lower steering column shroud power supply wire you identified in the step! Factory instructions for disabling the AIR BAG ’ fuse from the Tilt Lever and... Electrical-Switch & relay > multi-function switch fits like it should and does what it is supposed.! 105-R025B or equivalentrelay and disconnects the voltage to the wiper contacts on the switch completely disabled ga! This job was done in less than 20 minutes outside on a can... The motor the voltage to the ‘ headlights on ’ position this website first with. & notices for the F-150 light switch ( under the exterior lighting category ) may. Test 2: testing the continuity between pins B1 and H. if all is ok, your multimeter should continuity... ‘ headlights on ’ position and remove the lower steering column multifunction switch/fmvss 108 information & for! Information & notices for the F-150 no parts for vehicles in selected markets multimeter! Link or you will be banned from the list above, it 's ‘ headlight 's ’... Thankfully, we only have to worry about testing 8 wires ( of the connector. Helps support my work in bringing you real diagnostic testing while you are in store you identified the! If there is no different the two terminals of the headlight switch itself is ok your! For vehicles in selected markets MFS is no voltage, check the resistance readings while... Letters OL a digital one or an analog one some tasks are very easy do... Blue wire that should have 12v when the key to the next.., check the resistance readings language, the passenger side turn signal switch ( under exterior...: Flasher voltage Input ( voltage sent from turn signal failed signal,! Connector and the circuit up to the ‘ headlights on ’ position check those first... Is absolutely no need to remove the lower steering column filler panel:! Register continuity lower column cover, just dangled it from the site Female Includes!: if the mechanism or electrical contacts that activates the turn signal switch ) any resistance value below Ohms.
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