Auxiliary Battery Question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Tdrcreyn4 · 10-27-2015, 09:43 AM

I am installing an OEM auxiliary battery system in my truck. My question is do I also need to upgrade the alternator from stock to high output to support the system?

67chevemall · 10-27-2015, 02:25 PM

I would say the alt is a big part of that system.
Do you have a schematic for the system, from the year you are building?

Depends what you are running. Both batts at once or one at a time.....

All about how big the load is.

10-27-2015, 09:43 AM	#1
Tdrcreyn4 Registered User Join Date: Aug 2013 Location: Atlanta, GA Posts: 702	Auxiliary Battery Question I am installing an OEM auxiliary battery system in my truck. My question is do I also need to upgrade the alternator from stock to high output to support the system?

10-27-2015, 02:25 PM	#2
67chevemall Registered User Join Date: Apr 2003 Location: NB Posts: 3,367	Re: Auxiliary Battery Question I would say the alt is a big part of that system. Do you have a schematic for the system, from the year you are building? Depends what you are running. Both batts at once or one at a time..... All about how big the load is. __________________ 1968 Chevy C10 307 3ott fleetside 1967 Chevy C/10 V8, 3spd, fleetside lwb.Sold 1967 Chev C/10 step, 383, M21. SOLD



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