See page 126 of the Technical Information Manual (Diagnostic Chart). 7 Volts is in spec. It should be 6-8 Volts. 8-12 Volts means a Bad ground connection, 12 Volts means a Break in primary coil winding or ECU module not conducting. Harold McElraft - 3354 --- In dmcnews@xxxxxxxxxxxxxxx, "miltdanfoss" <d@xxxx> wrote: > Can someoen do me a HUGE favor and measure voltage on the #15 post on > the coil? It is marked. > > One side is #1 one side is #15. You simply put the key in the > ignition and put in the on position, then measure voltage with black > lead on ground and positive on #15 on coil. > > Mine is 7 VDC, my mechanic friend says it should be 12 VDC (or > battery voltage to be precise). > > This would help me in my next troubleshooting step. > > Heck, I'll even throw in a MARS MER-B "Opportunity" Launch Poster for > the first person to tell me. > > > Thanks, > Dan in Cocoa (3932)