Wiring Prob
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Senior User
Joined: Sep 2004
Posts: 105
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From: canada
Wiring Prob
k i started redoing my truck a long time ago and everything worked flickers etc , so i took all wiring out got new cab etc put back together now i have power etc but no flickers, high beamlights, dash lights, heater, and weirdly when i shut off ignition it still gets power to the fuse panel like a 9 volt pulse ???? which kills battery ? also for break lights to work where do i run the wire from ? like from the thing on the pedal to the porportioning valve? or from the valve to a wire in harness also the wiring from the 4 speed tranny ? where does that wire go ? the 2 prong one. and my alternator doesn,t charge i don,t think bought new battery plus alternator and wires hooked up also got rid of fusable link
Postmaster
Joined: Apr 2000
Posts: 2,838
Likes: 6
From: SD
I'm not following... You replaced the cab and used the old wiring harness in the 'new' cab? Did you also use the old ignition switch, headlight switch, dimmer switch, column? Or did these all come with the 'new' cab?
Look over the wiring harness for extra connectors and make sure all connections are good and tight.
Marty
Look over the wiring harness for extra connectors and make sure all connections are good and tight.
Marty
Postmaster
Joined: Jul 2005
Posts: 3,248
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Usually their is an electrical plug at the firewall which operates the rear lights. There is another electrical plug at the rear right behind the rear gas tank (driver side).
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New User
Joined: Jan 2008
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On newer trucks
The brake light switch requires a harness comprised of 2 wires.
One Red & the other red/black stripe.
this is part of the main harness and should be easy to figure out as the connector has two side clips and only fits one way.
The older ones when to the Master cylinder
( I suspect you have this one )
I have a request
Please list your questions in numerical order or make a special thread for each topic as this would make things easy for Us.
There are no 9 volts pulsing circuits on these truck.
Where do you HAVE power ?
It appears you are going to have to do an tedious one circuit at a time trouble-shoot for this amount of problems.
Start at the Battery .and at the opposite end the fuse panel for power on both sides of fuses.
That fusible link you got rid of is what can keep your truck from BURNING UP
I'd replace that before anything else
The brake light switch requires a harness comprised of 2 wires.
One Red & the other red/black stripe.
this is part of the main harness and should be easy to figure out as the connector has two side clips and only fits one way.
The older ones when to the Master cylinder
( I suspect you have this one )I have a request
Please list your questions in numerical order or make a special thread for each topic as this would make things easy for Us.
There are no 9 volts pulsing circuits on these truck.
Where do you HAVE power ?
It appears you are going to have to do an tedious one circuit at a time trouble-shoot for this amount of problems.
Start at the Battery .and at the opposite end the fuse panel for power on both sides of fuses.
That fusible link you got rid of is what can keep your truck from BURNING UP
I'd replace that before anything else
Last edited by Mil1ion; Feb 27, 2006 at 01:56 PM.
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Thread Starter
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Senior User
Joined: Sep 2004
Posts: 105
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From: canada
alright k the pulse to my fuse panel is 12 volt, so when i shut off key the cd player turns on off quickly, gauge lights turn on off and i hooked test light to the accy fuse and the power pulses it? but when i turn on key i have full power?
Cargo Master
Joined: Sep 2005
Posts: 2,954
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the only things I know of that could flash in these trucks is the hazzard flasher, the directional flasher and the guage regulor. I suppose any of these could be wired backasswards and be feeding the panel. Unplug the 2 flashers and take the wire off the guage regulator and see which stops the pulse.
Fleet Owner
Joined: Sep 2005
Posts: 28,609
Likes: 18
From: Lake Tahoe, Nevada
Originally Posted by EricJ
the only things I know of that could flash in these trucks is the hazzard flasher, the directional flasher and the guage regulor. I suppose any of these could be wired backasswards and be feeding the panel. Unplug the 2 flashers and take the wire off the guage regulator and see which stops the pulse.