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#1
03-03-2010, 08:48 PM
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How many volts in the 94 M104 Waste Spark system?
Just wondering what the coil is putting out. I could swear I saw a spark jumping 1 inch from the end of the plug wire (no plug connected) to the valve cover metal today when checking a cylinder for spark (a helper unplugged one of the plug boots while running).
He was brave... but careful too! His other job is at the hardware store fixing lawnmowers so I guess it was sort of a Briggs and Stratton diagnosis moment for him. He didn't get shocked..... But I'm wondering... what is the voltage on that. I've heard that it's like 30000 volts to jump an inch.... so I'm guessing it's pretty high! I don't think I've heard of people getting killed (or wounded) by car ignition coils but still... a 1" spark is pretty impressive... I know I wouldn't enjoy the shock.
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-E300d '99 350k -Suburban '93 220k -TDI Jetta '03 350k Sold -F250 '96 7.3 -Dodge Ram 12V -E320 '95 200k -E320 Wagon 1994 155k -300d Turbo '87 187k miles -E320 1994 200k -300d Turbo '84 245k (sold to Dan62) -300d Turbo '84 180k -300sd '80 300k -7.3 Powerstroke Diesel 15P Van 500k+ miles -190d '89 Non Turbo 2.5 5cyl 240k (my first MB) Tom's Imports of Columbia MO Ruined the IP in changing leaky delivery valve O-Rings - Refused to stand behind his work. Mid-MO MB drivers-AVOID Tom's. 
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