tail lights
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Joined: Aug 2012
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tail lights
i have an 89 ford ranger custom and my driver side tail light works just fine but my passenger doesnt work when i mash the brake the passenger side brake light wont come on. the parking lights work, turn signals, and hazards work but the brake light. ive checked the wires and replaced the socket and still the same problem so either theres something in the wires that im missing or i dont know what else. any hints?
Postmaster
Joined: Oct 2003
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From: SoCal
According to the FACTORY wiring diagrams for my 87 ( your 89 is probably the same) the only difference between the right turn signal & brake light is in the multifunction switch. Looks like the switch is bad. I can tell you how to test the 87 (yours is probably the same)
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ive already done your idea ford freek and as to the switch if your talking about the turn signal switch ive already replaced that a few months ago. ive tried about everything i can think of and nothing seems to be doing the trick. ive checked wires, tested parking lights with brakes, and a bunch of other things so unless my rewiring the brake lights screwed with it thats the last thing i can think of. when i rewired i wired from switch to hot wire and from the other side to where it all ties in together right after it ties in with the trailer light and brake light wires.
Postmaster
Joined: Oct 2003
Posts: 4,516
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From: SoCal
The multifunction (turn signal) switch connects the turn signal flasher or emergency flasher or stop light switch to the same wire which goes to the right rear bulb. Thats why it looks like the turn signal switch is bad.
If you're sure the switch is good then i dont know what to tell you.
If you're sure the switch is good then i dont know what to tell you.
Postmaster
Joined: Oct 2003
Posts: 4,516
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From: SoCal
OOPS, in that case the best thing for alex to do is go to helminc.com & order the ETM/Electrical troubleshooting manual for an 89 Ranger. Best $16.50 he will ever spend on a manual for his truck.
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Elder User
Joined: Feb 2006
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From: SE Michigan
Alex, did you test the brake light switch on the brake pedal? Not sure that you mentioned that one. They go bad every now and then.
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