Granny Low 4spd. Identification - The 1947 - Present Chevrolet & GMC Truck Message Board Network

19GMC63 · 01-09-2007, 10:41 PM

Hey guys, I was wondering if someone could help me identify the manufacturer of the 4spd. in my GMC. I know its not the original tranny, because there still is a column shifter on the steering column. (unless column isn't original)
All I can tell you is reverse is to the right on the shift pattern. I also see two electrical connection thingys towards the front of the tranny. Have no idea what that is. (reverse lights?) There are a few casting numbers, kinda hard to see, I also see a "GM" stamp.

thanks for your help.

01-09-2007, 10:41 PM	#1
19GMC63 Registered User Join Date: Nov 2006 Location: Nashville, TN Posts: 1,510	Granny Low 4spd. Identification Hey guys, I was wondering if someone could help me identify the manufacturer of the 4spd. in my GMC. I know its not the original tranny, because there still is a column shifter on the steering column. (unless column isn't original) All I can tell you is reverse is to the right on the shift pattern. I also see two electrical connection thingys towards the front of the tranny. Have no idea what that is. (reverse lights?) There are a few casting numbers, kinda hard to see, I also see a "GM" stamp. thanks for your help.



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