Red multimeter probe back-probing an ignition module connector i…

Engine-bay diagnostic close-up with a red multimeter probe back-probed into a large black multi-pin connector on an ignition module or coil pack mounted to the aluminum block. Red test leads, a braided ground strap and colored signal wires run across the polished intake tubing, with coil towers marked with cylinder labels visible behind.

AI caption July 2007 · Photo 729 of 1028