Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
is it just the needle gauges that are effected or will other lights light up or go off ect when its acting up ?
how do you get it to stop acting up when its acting up ?
can you get it to act up enough to pull back the cluster and test the terminals in the connector ?
can you leave the cluster ready to come out with just 2 screws get it to act up and do NOT shut off the truck pull the 2 screws and pull it back and see if at the PINK and the ORANGE wires show 12 volts or more with the truck running
if that checks out fine see what the black one of the black/white wires shows a good confirmed ground.'with a new cluster these issues come down to a bad ignition switch now sending the correct power to the cluster or a bad ground which with a bad ground its best to just make a new ground and connect it to the wire in the connector and be done with it
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the black should be a good ground and one of the other should be a ground
test for those powers and grounds