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03-10-2016, 06:38 PM
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#1 |
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Registered User
 
Join Date: Jun 2015
Location: weirton WV
Posts: 76
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electrical issues on my 72" C20
was driving down a bumpy road and all of a sudden i lost all power to the truck. no lights,ignition ect.....
so what i have done so far is all new battery connection. starter is good, new fuses. i also striped the red power wire coming out of the fire wall to the alternator lights ect..., and ran a wire strait from the battery to the splice and the truck started and lights came on so now what? the picture below shows the wire i striped. my question: is the purple wire my feed and what can i do next to trouble shoot my problem |
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03-10-2016, 06:47 PM
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#2 |
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Registered User
Join Date: Jun 2015
Location: weirton WV
Posts: 76
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Re: electrical issues on my 72" C20
i also installed a new ignition switch, pig tail and tumbler
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03-10-2016, 07:52 PM
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#3 | |
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Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: electrical issues on my 72" C20
Quote:
__________________
Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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03-10-2016, 07:54 PM
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#4 |
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Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: electrical issues on my 72" C20
Did you check the IGN fuse under the dash?
There are schematic's in the forum in the electrical section, do an advanced search for electrical schematic.
__________________
Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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03-10-2016, 08:02 PM
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#5 |
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Registered User
Join Date: Jun 2015
Location: weirton WV
Posts: 76
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Re: electrical issues on my 72" C20
thanks mike, all the schematics i see have the generator and volt reg. when i bought my truck it had a alternator throws off the schematics a little. and none i have seen show under the dash wiring
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03-10-2016, 10:13 PM
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#6 |
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Registered User
Join Date: Jun 2015
Location: weirton WV
Posts: 76
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Re: electrical issues on my 72" C20
well the problem is solved i replaced the lead to the positive post from my battery to the junction box on the fender. its all fun and games till you have electrical issues
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03-10-2016, 10:36 PM
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#7 |
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Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: electrical issues on my 72" C20
The purple wire going to the starter will be dead until the switch is turned to the start position, have someone turn the key to start when you have a test light or multi meter on that connection and ground. if turning the key lights the circuit and the starter won't crank then the solenoid went bad, if it does not lite then its probable the switch may be bad.
A good thread showing the fuse panel if needed: http://67-72chevytrucks.com/vboard/s...d.php?t=699612 Post 18 shows how to mod for the 3 wire alternator: http://67-72chevytrucks.com/vboard/s...9&postcount=18 Post #1 or 6 has links to a larger version of the schematic http://67-72chevytrucks.com/vboard/s...d.php?t=185856
__________________
Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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