Look for a short in the power wire to the computer. A place where the insulation has been cut through by a sharp edge, or there is a problem with the computer, bad ground. If there is specific condition when this happens, only when it rains, look for water leaks around the fuse box or the computer.
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Related Questions
1972 Pontiac trans am tachometer fuse size?
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The fuse box diagram, for your 1995 Pontiac, can be found on the inside cover of the fuse box. The fuse box can be located in the engine compartment.
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