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BadMotherTrucker67
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SERIOUS Wiring Troubles 1967 Ford F-100


I am the proud owner of a 1967 Ford F-100. Unfortunately, my wiring just went bad a couple days ago. I have no taillights (including brake lights), no running lights, flickering headlights and no circuit board. Can someone please help me?!?! Please feel free to contact me via e-mail superfunkaudio4life@hotmail.com
5/22/2004, 8:05 pm Send Email to BadMotherTrucker67   Send PM to BadMotherTrucker67
 
1968F250LWB
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Re: SERIOUS Wiring Troubles 1967 Ford F-100


By circuit board do you mean the one behind the gauge cluster? 67-69 trucks had no circuit board. The instrument panel circuit board was first used in 1970 on these trucks.

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Russell
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1968 F-250 Camper Special
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flyboy2610
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Re: SERIOUS Wiring Troubles 1967 Ford F-100


For the taillights, check the wiring connectors. There is one at the end of the harness coming out of the steering column, and one on the firewall below the brake master cylinder (at least that's where they are on my '68). Make sure they are tight, and you have power going through them. Also check the ground contact at the tailight bezel, as well as the bulbs. Check and clean the battery cables, too. I would also check the fuses, but I know that on my truck the brake and taillights are on different circuits so you would have to have two bad fuses, and your tailights are not routed through the turn signal switch like the brake lights are.
The wire connectors and ground are the only things I can think of that both lights have in common.

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"The only good Chevy is.. is.. Well, there ARE no good Chevies!!"
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NM5K
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Re: SERIOUS Wiring Troubles 1967 Ford F-100


I would check all mentioned. Bit from the sound of it, it sounds sorta fuse box resistance related...Make sure it's not the light switch itself that is resistive. But I doubt it sorta, as the headlights are on a different circuit than the tail/brake, etc lights. Sounds to me like you might have a bad connection in your fuse box, or maybe a bad ground somewhere in that area. When you draw more current, does it act up worse? IE: if it's a fuse box resistance problem, often drawing a large load suddenly will "fry" the thread of continuity it had, and "poof", out goes the whole circuit, and everything on that line. I have this problem with my cig lighter, interior light fuse..And the problem in my case is behind the fusebox somewhere. I've never really fixed it yet, as it looks like a royal PIA to pull that box. I just don't use my lighter anymore...I think I'm gonna run a new fat stand alone wire to the lighter, so I can use it...I use the lighter normally, and I also can plug my cell phone charger, etc into it...Time to break out the VOM...You'll need to make voltage checks to find the problem. You got a bad connection somewhere. Just hope it ain't the fusebox connections getting crusty...Those crusty connections are like resisters, and they start to get hot when you draw current. The heat in turn makes the crusty connections even worse and more resistive. Eventually, they fry, and poof, no power.
MK

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1968 F-250 / 300 six / T-18
Dana 60 - 4.10 Limited Slip
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