Asked by rebjrmd Oct 21, 2014 at 07:50 PM about the 2005 Chevrolet Express 3500 Extended RWD
Question type: Maintenance & Repair
I am trying to get my ScanGauge II to work (it plugs into the OBD connecter) but "pin 19"
of the OBD connecter which is supposed to be "hot" is NOT. All of the fuses seem OK––
where does the OBD get its power?
It gets, it,s fire from the ecm,you may have bad harness coming off the ecm to obd connector,or the ecm is going bad.
TST is correct. However I've had a few cases where the fuse for the cigarette lighter/accessory port was blown replaced it and the OBD worked.
I am trying to get my ScanGauge II to work (it plugs into the OBD connecter) but "pin 19" of the OBD connecter which is supposed to be "hot" is NOT. All of the fuses seem OK–– where does the OBD ge...
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