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| Engineering/ Technical Ask technical questions about cars. Do you know how a car engine works? |
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#1
11-29-2008, 01:44 PM
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97 Tahoe blows ecm1 fuse undewr hood
put in a new fuel pump and my 97 tahoe keep shutting down found a broken wire to the coil and repaired that now it kjeeps blowing the ffuse marked ECM1 in the engine compartment anyone have a wiring diagram or have an idea were to look?
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#2
11-29-2008, 11:53 PM
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Re: 97 Tahoe blows ecm1 fuse undewr hood
The 20A ECM-1 mini fuse provides power to all 8 fuel injectors as well as the ignition input to the VCM on VCM connector pin 18 (pink wire), ignition feed to the ignition control driver (pink wire) and the ignition power to the ignition coil (pink wire).
-Rod
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#3
11-30-2008, 05:41 PM
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Re: 97 Tahoe blows ecm1 fuse undewr hood
found short at coil and fixed that hoping that was the problem THANKS I will let ya know if the problems return hoping they won't though!!!!!!!!!
 also repaired an other broken wire i found by the intake that was scared!!!!!
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