Direct replacement cord.
Make sure the block heater on your Duramax is working properly. If it is no longer heating a faulty block heater cord may be the culprit. Common issues are a short in the wire or other physical damage.
Make sure the block heater on your Duramax is working properly. If it is no longer heating a faulty block heater cord may be the culprit. Common issues are a short in the wire or other physical damage.
