No turn signals
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No turn signals
Hey, I've been searching all night without much luck, so it's time to start a thread.
Today I tried wiring in some additional reverse lights on my '06 E350, and lost my turn signals.
They were just some cheap ones from Auto zone mounted under the bumper. Anyway, I spliced the new light's power wire into the power wire right behind the stock reverse light's bulb, then grounded the new light to the frame. After I was done the additional reverse lights worked fine coming on and off as reverse was selected and deselected.
Everything else works fine even the corner lights, but I have no turn signals and the arrows don't light up on the dash. Removing the added reverse lights and resetting everything to stock didn't fix the problem. All of the fuses look good, but a wicked storm blew in and kept me from checking much beyond that.
The truck has to be on a barge for mainland in a couple days so I don't have much time to chase this. Any ideas for things I should try once this storm breaks up? Any help would be great.
Today I tried wiring in some additional reverse lights on my '06 E350, and lost my turn signals.
They were just some cheap ones from Auto zone mounted under the bumper. Anyway, I spliced the new light's power wire into the power wire right behind the stock reverse light's bulb, then grounded the new light to the frame. After I was done the additional reverse lights worked fine coming on and off as reverse was selected and deselected.
Everything else works fine even the corner lights, but I have no turn signals and the arrows don't light up on the dash. Removing the added reverse lights and resetting everything to stock didn't fix the problem. All of the fuses look good, but a wicked storm blew in and kept me from checking much beyond that.
The truck has to be on a barge for mainland in a couple days so I don't have much time to chase this. Any ideas for things I should try once this storm breaks up? Any help would be great.
Fleet Owner
Joined: Aug 2010
Posts: 21,254
Likes: 1,656
From: Reynoldsburg, Ohio
Fuses that "look good" do not necessarily still pass current. Use a test light for installed fuses or pull them out for continuity test with a DVM. This is the only accurate way to test a fuse.
It appears something in the turn signal circuit has been affected which could be as simple as a fuse or the column mounted multi-function switch has co-incidentally failed. Do you still have wiper motor control?
If you don't have or aren't using some sort of factory wiring schematic download one, bare minimum find a fuse chart which includes fuses and locations of the Battery Junction Box (aka underhood) in order to test the turn signal system. The owners manual should have a fuse chart otherwise a factory EVTM definitely has those.
I don't believe tapping into the reverse lights would affect the turn signals unless you're somehow damaged wiring near the point of connection for the additional lights. Because the dash indicators don't come on strongly suggests the multi-function switch----those are designed to illuminate when/if a bulb on one side or the other has failed---its a warning feature.
It appears something in the turn signal circuit has been affected which could be as simple as a fuse or the column mounted multi-function switch has co-incidentally failed. Do you still have wiper motor control?
If you don't have or aren't using some sort of factory wiring schematic download one, bare minimum find a fuse chart which includes fuses and locations of the Battery Junction Box (aka underhood) in order to test the turn signal system. The owners manual should have a fuse chart otherwise a factory EVTM definitely has those.
I don't believe tapping into the reverse lights would affect the turn signals unless you're somehow damaged wiring near the point of connection for the additional lights. Because the dash indicators don't come on strongly suggests the multi-function switch----those are designed to illuminate when/if a bulb on one side or the other has failed---its a warning feature.
Fleet Owner
Joined: Aug 2010
Posts: 21,254
Likes: 1,656
From: Reynoldsburg, Ohio
Post this same question along with your process here: Electrical Systems/Wiring - Ford Truck Enthusiasts Forums
Moderator Franklin can probably talk you through this more easily than I could. He seems to have an endless supply of schematics for almost anything Ford makes.
You did actually check the fuses with a light or meter?
Moderator Franklin can probably talk you through this more easily than I could. He seems to have an endless supply of schematics for almost anything Ford makes.
You did actually check the fuses with a light or meter?
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Joined: Jan 2015
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Thanks for the help guys.
I didn't get to check with the meter last night just a quick visual due to the storm. My plan for today is to run through everything with the meter. If that doesn't work I'll throw it up on the electrical forum with what I've learned.
I didn't get to check with the meter last night just a quick visual due to the storm. My plan for today is to run through everything with the meter. If that doesn't work I'll throw it up on the electrical forum with what I've learned.
Thread Starter
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New User
Joined: Jan 2015
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It was the stupid flasher. It was driving me crazy though because the flasher on my van is not where the manual says it should be and the wires going into it don't match the colors in the wire diagram. But whatever, problem solved problem staying solved.
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