Geo Prizm AM2 fuse keeps blowing after replacing coil pack on Geo Prizm

Submitted by user69069 · Jun 23, 2025
Published by RepairPal

Problem overview

Some Geo Prizm owners report experiencing issues with the AM2 fuse blowing repeatedly, even after replacing the coil pack. This problem may be due to a faulty ignition coil that draws excessive current, potentially caused by internal short circuits or damaged insulation. Additionally, a shorted condenser inside the distributor is a common culprit, as it can lead to the fuse blowing by failing to limit static for the radio. Other components controlled by the AM2 fuse, including the fuel injectors and igniter, may also be drawing too much current, resulting in a blown fuse. To troubleshoot, owners are advised to systematically unplug components to identify the source of the excessive current draw and to check for any loose connections or broken wires that could be contributing to the issue.

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