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Originally Posted by Krueger
Thanks for the info guys. I have a couple more questions...
Is it possible to start the car without the plugs working.....it's about 85F today. Probably depends on how much compression the engine has.....if the valves are okay, how long should I crank before the engine would turn over?
I also noticed that the connector wire to one of the resistors blew off when the glow plug went bad. Could this be the problem? What function do the resistors play in engine starting?
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What does this resistor look like? Mine have wavy wires running from one plug to the next. Check for voltage on the wire between first and second plug to ground. You should see about 2.5 - 3.0 volts. If you see any voltage you know the back four plugs are OK. If you see about 12 volts in this spot then number one is bad. You can continue to check each spot and the only place you should see 12 volts is on the tip of number 5 plug.
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1977 300D Lost coolant while someone else was driving
1983 300D Can't run without oil
1985 300SD (gone but not forgotten)
1990 300TE 4matic Sold
1991 Yamaha Venture
1975 Kawsaki 250 triple
1974 Honda 200CL
1951 8N Ford
2008 Wildfire 650C
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