Ignition Coil Power Source
WARNING: This page is about a different car, the 1993 Isuzu Pickup and 1993 Isuzu Amigo. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition on. Using voltmeter, check voltage between Black/Yellow wire of coil and ground. If battery voltage is not present, check fuse No. 9 in fuse box.