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Old 01-28-2016, 07:26 PM   #1
rsmarr1982
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Mystery wire

Curious about this wire and plug I found on the cowl above to master cylinder it's on a 72 k20 it goes to the engine side of the harness.
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1969 chevy c10 lwb stepside 250 6 3 ott
1971 chevy c10 lwb 250 6 with power steering 3 ott
1972 chevy k20 4x4 350/TH350 automatic
1978 chevy Malibu 4dr 305 2bbl (all original)
1979 chevy k10 Scottsdale 350/th350 full-time 4wd(daily driver)
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Old 01-28-2016, 07:26 PM   #2
rsmarr1982
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Re: Mystery wire

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1969 chevy c10 lwb stepside 250 6 3 ott
1971 chevy c10 lwb 250 6 with power steering 3 ott
1972 chevy k20 4x4 350/TH350 automatic
1978 chevy Malibu 4dr 305 2bbl (all original)
1979 chevy k10 Scottsdale 350/th350 full-time 4wd(daily driver)
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Old 01-28-2016, 09:17 PM   #3
snipescastle2
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Talking Re: Mystery wire

Well, if I had to guess, I'd say it was part of a ballast resistor wiring or part of a kick down switch harness. Not sure.....what color is the wire? Does it have a colored tracer stripe on the wire?
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Old 01-28-2016, 09:51 PM   #4
rsmarr1982
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Re: Mystery wire

It was either brown or black with a white strip.
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1969 chevy c10 lwb stepside 250 6 3 ott
1971 chevy c10 lwb 250 6 with power steering 3 ott
1972 chevy k20 4x4 350/TH350 automatic
1978 chevy Malibu 4dr 305 2bbl (all original)
1979 chevy k10 Scottsdale 350/th350 full-time 4wd(daily driver)
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Old 01-28-2016, 11:42 PM   #5
LockDoc
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Re: Mystery wire

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Brown/White. It goes to the proportioning valve. For the warning light in the instrument cluster....

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Old 01-29-2016, 02:31 AM   #6
El Dorado Jim
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Re: Mystery wire

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Originally Posted by LockDoc View Post
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Brown/White. It goes to the proportioning valve. For the warning light in the instrument cluster....

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