The 1947 - Present Chevrolet & GMC Truck Message Board Network - 3-hole instrument cluster to 7 hole conversion?

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- - 3-hole instrument cluster to 7 hole conversion? (https://67-72chevytrucks.com/vboard/showthread.php?t=588857)

Fults1971

07-16-2013 08:30 AM

3-hole instrument cluster to 7 hole conversion?

Hey guys, im new to this site. I just got back from a deployment overseas and finally bought my dream truck. A 1969 Cheyenne SWB straight 6. It has the 3 hole cluster and I'm interested in converting it to a 7 hole. What all is needed to do this? How should I go about converting it? I plan on installing a V8 in it at some point.

Lattimer

07-16-2013 09:02 AM

Re: 3-hole instrument cluster to 7 hole conversion?

I'm about to do this. First, you need the gauge cluster. I just bought a restored one from a member on here through the classifieds.

Then you need to modify the wiring: http://www.gmcpauls.com/Tech%2520Tips1.htm

You will have to plumb a copper line in for oil pressure, and you need the right temp sender.

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