NEED HELP
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Joined: Mar 2012
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NEED HELP
I have an 1967 F-100. I am trying to fix the turn signals and break lights. O'reilly told me that the flasher relay has been discontinued. Not sure how else I could fix this. If anyone could help that would be awesome. It might also be easier if someone coulld call me.
Fleet Owner
Joined: Jun 1999
Posts: 24,552
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From: Creedmoor, North Carolina
Turn signals & brake lights share the same wire & bulb filament. I like to start at the rear of the truck. You need a circuit tester. Do you have one?
Start by removing the lens cover, removing the bulb & test it. if nothing, move under the truck unplug the wiring harness about 6" from the tail light, test it, follow the wire to see if a trailer wire has been added in. move on to the end of the drivers side frame rail, unplug the connection there testing all of these moving forward.
Report back after doing these steps. You may have found the bad place. Oh by the way check for blown fuses under the hand brake lever first.
John
Start by removing the lens cover, removing the bulb & test it. if nothing, move under the truck unplug the wiring harness about 6" from the tail light, test it, follow the wire to see if a trailer wire has been added in. move on to the end of the drivers side frame rail, unplug the connection there testing all of these moving forward.
Report back after doing these steps. You may have found the bad place. Oh by the way check for blown fuses under the hand brake lever first.
John
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Joined: Mar 2012
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Power
Turn signals & brake lights share the same wire & bulb filament. I like to start at the rear of the truck. You need a circuit tester. Do you have one?
Start by removing the lens cover, removing the bulb & test it. if nothing, move under the truck unplug the wiring harness about 6" from the tail light, test it, follow the wire to see if a trailer wire has been added in. move on to the end of the drivers side frame rail, unplug the connection there testing all of these moving forward.
Report back after doing these steps. You may have found the bad place. Oh by the way check for blown fuses under the hand brake lever first.
John
Start by removing the lens cover, removing the bulb & test it. if nothing, move under the truck unplug the wiring harness about 6" from the tail light, test it, follow the wire to see if a trailer wire has been added in. move on to the end of the drivers side frame rail, unplug the connection there testing all of these moving forward.
Report back after doing these steps. You may have found the bad place. Oh by the way check for blown fuses under the hand brake lever first.
John
Would it be possible if someone could call and help over the phone?
Hotshot
Joined: Oct 2002
Posts: 18,488
Likes: 22
From: The Big, Oregon
Well, all the brake light and turn signal power goes through the turn signal switch in the steering column so that's a good place to look next. Brake lights and turn signals get their power from different fuses, so barring both fuses being bad the switch is a good possibility. I don't have a wiring diagram handy but I'm sure someone else will be able to help with the specifics of diagnosis.
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