Question about 1988 Chevrolet Corvette

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I ahve an 88 c4 with a 700r and the upshift indicator quit working. what tells the upshift indicator to come on is my question. thanks in advance Troy

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Probably parameteres are :

1 ) Engine speed ( more then pre determined value )

2 ) Time on that engine speed

3 ) Another ratio to upshift

if all 3 conditions are OK , ECM will light it :)))) ( I think )

Posted on Apr 07, 2010

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