The 1947 - Present Chevrolet & GMC Truck Message Board Network

The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)

- The 1969 - 1972 Blazers and Jimmys Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=36)

- - Original Alternator question (https://67-72chevytrucks.com/vboard/showthread.php?t=466952)

69-72

05-29-2011 05:38 PM

Original Alternator question

What would have been the original amperage alternator for a 72 Blazer with a 350 and A/C

I have a 37A on the motor right now thats not the original unit, I would expect it should be a bigger unit on trucks with A/C, anyone know for sure? I would like to put it back to what it should be but I don't know if it should be a 42 or 61 amp.

BBrendal

05-29-2011 11:06 PM

Re: Original Alternator question

It looks like a 61 amp was included with a truck when A/C was added to it.

69-72

05-30-2011 08:07 PM

Re: Original Alternator question

Great thanks!

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