New from TX - wiring problems
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Freshman User
Joined: Mar 2010
Posts: 34
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From: Clay County, Texas
New from TX - wiring problems
Hey guy's love the sight. I promise I'll set up a profile, but I have more pressing matters. '59 Ford F100 4x4 (Factory). When I bought it, wires were all scrambled. I've got my running lights and blinkers working, but only one break light works. I've replaced brake light switch and chased and connected all proper wires (i think), but still no left side brake light.
Could this be a problem in the turn signal switch?
Also, since hooking up rear lights, blinkers are real slow.
Sorry for the lengthy post, but I want to get this thing on the road.
Thanks.
Could this be a problem in the turn signal switch?
Also, since hooking up rear lights, blinkers are real slow.
Sorry for the lengthy post, but I want to get this thing on the road.
Thanks.
Thread Starter
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Freshman User
Joined: Mar 2010
Posts: 34
Likes: 0
From: Clay County, Texas
With a big rock to hold brake pedal down, I put the test light both turn signal wires coming from the column. left wire did not have juice except when blinker was engaged, which narrows it down a bit. But then again, wiring is a mysterious thing to me.
Post Fiend
Joined: May 2008
Posts: 7,641
Likes: 21
From: Poway, Ca.
Wow! I've finally manipulated you guys enough to do my posts for me now!!!!!
If one side works, the brake light switch is ok.
Swapping the wires to the opposite light as a test will work. If it doesn't light, you have a bad bulb, bad bulb contact, or most probably a bad ground on that light. Bad grounds are usually caused by dirty or corroded contact of the buld socket base, or the contacts between the light/bracket/truckbed/frame. Try running a jump wire from the socket side to a good ground and see if that fixes it. If so, get in there and clean those grounds!
If it does light, then you have a wiring problem or a signal switch contact problem.
Slow flashing usually indicates an impedance going to the flasher. Also, if you are trying all this with a battery that is not fully charged it will go slow too.
Note as I show in the drawing that signal lights have power coming in at TWO places. One feeds the brake light switch, the other feeds the flasher. Check the power wire going to the flasher for bad connections and also for a fuse holder that may be corroded.
If one side works, the brake light switch is ok.
Swapping the wires to the opposite light as a test will work. If it doesn't light, you have a bad bulb, bad bulb contact, or most probably a bad ground on that light. Bad grounds are usually caused by dirty or corroded contact of the buld socket base, or the contacts between the light/bracket/truckbed/frame. Try running a jump wire from the socket side to a good ground and see if that fixes it. If so, get in there and clean those grounds!
If it does light, then you have a wiring problem or a signal switch contact problem.
Slow flashing usually indicates an impedance going to the flasher. Also, if you are trying all this with a battery that is not fully charged it will go slow too.
Note as I show in the drawing that signal lights have power coming in at TWO places. One feeds the brake light switch, the other feeds the flasher. Check the power wire going to the flasher for bad connections and also for a fuse holder that may be corroded.
Thread Starter
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Freshman User
Joined: Mar 2010
Posts: 34
Likes: 0
From: Clay County, Texas
I was all set to pull the steering wheel when a friend came by and suggested I blow out the area around the signal switch. Dirt filled the cab. A shot of WD-40 and everything works (at least good enough for an inspection sticker)
Thanks to all, especially Julie! For the wiring diagram.
Thanks to all, especially Julie! For the wiring diagram.
Post Fiend
Joined: May 2008
Posts: 7,641
Likes: 21
From: Poway, Ca.
I was all set to pull the steering wheel when a friend came by and suggested I blow out the area around the signal switch. Dirt filled the cab. A shot of WD-40 and everything works (at least good enough for an inspection sticker)
Thanks to all, especially Julie! For the wiring diagram.
Thanks to all, especially Julie! For the wiring diagram.
We electrically minded people like to call that an impedence!
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Thread Starter
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Freshman User
Joined: Mar 2010
Posts: 34
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From: Clay County, Texas
I call it "The Dirt Dauber" because every time I work on I find another dirt dauber's nest. It was last inspected in 1980 and sat in an Oklahoma pasture for a while.
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