Voltage drop

1967 OLDSMOBILE 442
60,000 MILES • V8 • 2WD • MANUAL
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VICKYCAR
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  • 2 POSTS
Battery is mounted in trunk with brand new ground wire to frame and new positive to horn relay junction on front inner fender. Battery putting out 11-12 volts when tested to junction only 6 volts going to starter. Good ground strap mounted from front of engine to frame.
Aug 29, 2018 at 4:03 PM
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DANNY L
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Hello, I am Danny.
So, is starter not cranking fast enough?
Thanks for using 2CarPros.
Danny-
Aug 30, 2018 at 1:00 AM
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VICKYCAR
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  • 2 POSTS
Hardly cranking.
Aug 30, 2018 at 2:32 AM
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STRAILER
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It sounds like you have a positive cable issue what gauge is the cable? Should be a 1 or 2. Can you upload pictures of the battery mounting and cable routing? Cheers, Ken
Sep 1, 2018 at 11:39 AM
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VICKYCAR
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New #1 cables. I believe it is in ignition switch.
Sep 1, 2018 at 1:18 PM
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STRAILER
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It could be. Here is a guide so you can do some testing to see where the voltage drop occurs:

https://www.2carpros.com/articles/how-to-check-wiring

Please let us know what happens.

Cheers, Ken
Sep 1, 2018 at 1:20 PM