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Old 07-27-2014, 07:03 PM   #2
hugger6933
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Join Date: Oct 2008
Location: Marianna Arkansas
Posts: 7,257
Re: Doing TBI swap to 69 GMC

You have chosen the closest thing you can get to bolt on injection for your truck. Now all of the mounts and stuff are no problem and what you should do is find somebody that wires in the LS type motors and have them rework your harness or look it up on the net you may could do it yourself so that it is a three or four wire tie in to your harness. You shouldn't need much more than a keyed hot and a constant hot to feed the computer then your up and going. It will make a great clean swap. Good luck. Jim
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