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01-07-2018, 11:23 PM
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#1 |
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Registered User
Join Date: Apr 2017
Location: TX
Posts: 257
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AC Delco radio wiring
Switching out the AC Delco for a single DIN unit. I guess this is the POWER plug for the old radio. I assume Yellow is HOT, black is GROUND, but what is the grey?
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1979 Chevrolet Bonanza/305/4L60/Edelbrock Performer/Holley 600 Classic |
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01-07-2018, 11:34 PM
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#2 |
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Registered User
Join Date: Nov 2009
Location: Sherman, ME
Posts: 2,366
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Re: AC Delco radio wiring
Yes, the yellow wire is power (switched on/off via the ignition) and black is ground. The grey wire is for the dial light. It's connected to the instrument panel light circuit so it brightens/dims as you rotate the headlight switch knob.
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01-08-2018, 01:06 AM
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#3 |
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Registered User
Join Date: Apr 2017
Location: TX
Posts: 257
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Re: AC Delco radio wiring
OK, so it won't be needed with the new stereo.
Thanks.
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1979 Chevrolet Bonanza/305/4L60/Edelbrock Performer/Holley 600 Classic |
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