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Old 02-04-2023, 04:28 PM   #848
LeesTruk
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Join Date: Mar 2015
Location: Manchester, CT
Posts: 429
Re: What did you do to your truck today??

PJ/Special-K, I have one each, of those clusters. The '91 cluster differs from the '92-'94 in that the odometer/trip meter on the '91 shows a 6 digit trip meter, whereas the '92-'94 has 7 digits. That's on the cluster face. At the rear, the '91 has a steel backing plate, and the '92-'94 has an open back. Also, the harness interfacing connecters are different. I've included pics of all of this. Sorry for the blurred pics of the odometers. What you CAN do is swap the odo/trip from one to the other simply by removing the cluster face, remove a couple of little screws and unplug the odo/trip motor. The '91 cluster actually hides the tenth of a mile digit. The cluster on the left is '92-'94, the right, '91. So, PJ, if you want to keep the truck mileage original, just take the Moonie odo/trip and swap it into your tach cluster. Even that can be done. Ain't GM grand?
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