Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Hi There, I'm Clayso a certified master automobile technician with 30 years of automotive repair and diagnostic experience.
From your description most likely there is a short to power on the orange wire from fuse #24 to the Instrument Panel Cluster (IPC) or there is some aftermarket device tapped into this circuit causing the draw. Fuse #24 IPC/DIC powers up the IPC only. Just to make sure disconnect the IPC and recheck for a draw. An ammeter should be used to properly check for a draw. Install the ammeter between the battery negative and the negative battery cable. A jumper wire needs to be connected in parallel to the ammeter for about 30 minutes until the system goes to sleep. Make sure the ammeter is on and remove the jumper to see the actual vehicle's battery draw. The draw should be no more than 50 mA (.050 Amps).
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