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Why does the check engine light flash and the truck not start after replacing the computer on your 1992 Silverado?
Wiki User
∙ 15y ago
Did you take the old ( PROM ) out ? And install it in the new computer.
If its a old or used computer it may not be any good. I would check the wireing harnes were it plugs into the computer colsely
Wiki User
∙ 15y ago
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