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Dave Nova
Dave Nova, ASE Certified Tech
Category: Car
Satisfied Customers: 19452
Experience:  ASE Master Certification. GM World Class Certification
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2005 Isuzu Ascender: stored..My CEL was..000 miles

Customer Question

I have a 2005 Isuzu Ascender (GMC Envoy) that I want to check to see if there are any codes stored in it's memory. My CEL was on briefly yesterday but it went off. 100,000 miles. Could just be spark plugs but I need to know. I have a code reader but when I plug it in it doesn't power on. I tried two different ones and no power with key on or off. Is there a fuse or something I can check to see why it won't power? Where to start?
Submitted: 6 years ago.
Category: Car
Expert:  Dave Nova replied 6 years ago.
Hello and thank you for using just answer. Power is supplied to the diagnostic coonnector through the cigarette lighter fuse. Check this fuse.
Expert:  Dave Nova replied 6 years ago.
Fuse 13 in the under hood fuse panel.
Dave Nova and 4 other Car Specialists are ready to help you
Customer: replied 6 years ago.
I checked the fuse and it is indeed shot, replaced it and it all works! Thanks
Expert:  Dave Nova replied 6 years ago.
You are welcome. Thanks for using justanswer.