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possibly battery. or alternator problem
To change the computer on a 1987 Corvette, first, disconnect the negative battery terminal to ensure safety. Locate the ECM (Engine Control Module) under the passenger side dashboard, remove the screws or clips holding it in place, and carefully unplug the wiring harness. Replace it with the new ECM, reattach the wiring harness, secure it with screws, and finally, reconnect the battery terminal. Make sure to check for any diagnostic codes and reset them if necessary.
you pull the release latch on the drivers side of the instrument cluster, it is all mechanical and does not need battery power
Well is your battery putting out enough voltage to power the gauges? On my 66 corvette I have to really step on the gas and then my gauge lights come on.
Connect the positive cable to the positive battery post on the donor car and on the Corvette. Connect the negative cable to some metal part of each vehicle, such as the engine. Be careful of the fan blades on each car. Let the donor car run for approximately 15 minutes to put a slight charge in the battery on the Corvette before you attempt to start it. Start the Corvette and as soon as it starts disconnect the battery cables.
If you have a V8 in you Monte now the corvette engine should bolt right in but you will have to change the wiring and computer.
yes
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