Accessory wiring harnesses
Accessory wiring harnesses
Does anyone have the wiring diagram for the accessory harness? I may want to utilize the second battery to power other accessories like an amp.....
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1970 SS454 Monte Carlo - triple black
1971 SS454 Monte Carlo - Red w/ black gut & top
1970 Convertible Mont Carlo - Sold
1968 K10 short wheel base
2009 Silverado 1500
2013 9C1 - PBM - Sold
2013 CTS-V Coupe Silver Frost Matte Eddition
2017 SS - PBM - M6 - Roof - Sold
2019 Silverado 1500 - LTZ 6.2
1971 SS454 Monte Carlo - Red w/ black gut & top
1970 Convertible Mont Carlo - Sold
1968 K10 short wheel base
2009 Silverado 1500
2013 9C1 - PBM - Sold
2013 CTS-V Coupe Silver Frost Matte Eddition
2017 SS - PBM - M6 - Roof - Sold
2019 Silverado 1500 - LTZ 6.2
Re: Accessory wiring harnesses
I think I found hat I was looking for.
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1970 SS454 Monte Carlo - triple black
1971 SS454 Monte Carlo - Red w/ black gut & top
1970 Convertible Mont Carlo - Sold
1968 K10 short wheel base
2009 Silverado 1500
2013 9C1 - PBM - Sold
2013 CTS-V Coupe Silver Frost Matte Eddition
2017 SS - PBM - M6 - Roof - Sold
2019 Silverado 1500 - LTZ 6.2
1971 SS454 Monte Carlo - Red w/ black gut & top
1970 Convertible Mont Carlo - Sold
1968 K10 short wheel base
2009 Silverado 1500
2013 9C1 - PBM - Sold
2013 CTS-V Coupe Silver Frost Matte Eddition
2017 SS - PBM - M6 - Roof - Sold
2019 Silverado 1500 - LTZ 6.2
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- Posts: 430
- Joined: Tue Dec 30, 2014 8:58 pm
- Location: Texas Hill Country
Re: Accessory wiring harnesses
If your car actually has the auxiliary battery, then connect your AMP to the large gauge red wire that terminates in the blue 2 pin connector. That is the power feed from the aux battery if equipped. If not equipped, it will connect to the primary battery. Or if more convenient, connect your amp to the upfit terminal block near the aux battery in the trunk and fuse appropriately.
Garner Ames
1975 Pontiac Grand Am L77 - 14.82 @ 92.89
1991 Chevrolet C1500 L31 Vortec/5 Speed
2002 Chevrolet Suburban 1500 LM7
2014 Chevrolet Caprice 9C1 L77 - 13.60 @ 105.87
2019 Chevrolet Express 3500 L96
1975 Pontiac Grand Am L77 - 14.82 @ 92.89
1991 Chevrolet C1500 L31 Vortec/5 Speed
2002 Chevrolet Suburban 1500 LM7
2014 Chevrolet Caprice 9C1 L77 - 13.60 @ 105.87
2019 Chevrolet Express 3500 L96
Re: Accessory wiring harnesses
Yup got the auxiliary battery. Are there male connectors avalible for these harnesses? If so anyone have the part #s?
1970 SS454 Monte Carlo - triple black
1971 SS454 Monte Carlo - Red w/ black gut & top
1970 Convertible Mont Carlo - Sold
1968 K10 short wheel base
2009 Silverado 1500
2013 9C1 - PBM - Sold
2013 CTS-V Coupe Silver Frost Matte Eddition
2017 SS - PBM - M6 - Roof - Sold
2019 Silverado 1500 - LTZ 6.2
1971 SS454 Monte Carlo - Red w/ black gut & top
1970 Convertible Mont Carlo - Sold
1968 K10 short wheel base
2009 Silverado 1500
2013 9C1 - PBM - Sold
2013 CTS-V Coupe Silver Frost Matte Eddition
2017 SS - PBM - M6 - Roof - Sold
2019 Silverado 1500 - LTZ 6.2
Re: Accessory wiring harnesses
I need a +12 from the battery (on all the time) and a +12 Run (when car is in run position). Can I get it from these cables coiled up under the dash? I'm not getting much from the diagrams without knowing where the components are. Is there a better location under the dash I can get the 2 power sources? Amperage should be low. It's only for a dashcam.
Dave B - Yargnits
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2011 Caprice 9C3
2018 Silverado LT
2005 John Deere (garden tractor)
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2011 Caprice 9C3
2018 Silverado LT
2005 John Deere (garden tractor)
Re: Accessory wiring harnesses
I realize this is a major thread resurrection. But, did you end up using one of the wires to hardwire your dash cam? Which one did you choose? Did you just tap into it, or remove the socket?
2012 9C3 Detective
2015 GMC Acadia Denali
2010 Subaru Impreza
1986 Chevy K20 3/4 Ton
2007 Mazda 3 (sold)
2003 BMW 540i/6 speed manual (sold)
2006 Chevy Trailblazer EXT (sold)
2015 GMC Acadia Denali
2010 Subaru Impreza
1986 Chevy K20 3/4 Ton
2007 Mazda 3 (sold)
2003 BMW 540i/6 speed manual (sold)
2006 Chevy Trailblazer EXT (sold)
Re: Accessory wiring harnesses
Yes, it I don’t remember details tho. It’s worked good tho
Dave B - Yargnits
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2011 Caprice 9C3
2018 Silverado LT
2005 John Deere (garden tractor)
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2011 Caprice 9C3
2018 Silverado LT
2005 John Deere (garden tractor)