Originally Posted by carta79
Just disable the fuel injection by removing the 15amp fuse in the panel by the battery. How would the ICM get damaged when you're pulling the ignition wires and spark plugs with the fuel injectors disabled?
I have heard about the ICM being damaged if you don't disable the spark while running a compression test, but I have run tons of compression tests just pulling the ECM fuse and don't have a problem with my ICM.