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Re: update on 1979 K10. Everything dead but the lights
I wouldn't throw out the whole harness.
Think basics.
What is the battery voltage on the lead battery terminals? The actual battery not the cables or bolts...
Is the battery voltage the same on the lead terminals as the battery cable terminals? Or at least within .01V...
Do you get battery voltage (within .1v) from the starter BAT lug to the block after you twist the key to the CRANK position, killing everything, and leave it in the ON position with everything dead?
What's the voltage read from the alternator case to the + Battery lug with the key still left in the ON position? Within .1V of the battery itself?
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8
RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials... Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.
Last edited by hatzie; 02-08-2018 at 04:20 PM.
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