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Originally Posted by BillGrissom
The other measurement you can make is w/ red probe on glow plug and blk probe on ground, w/ plug in and "glow on", see if you get ~12 V across each glow plug. You only have ~20 sec each time. That is the best way to judge that your car is doing its job supplying them.
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I'll check that when I get home from work this afternoon.
Quote:
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Re ground, I usually use the fuel filter mount since close, but last time I got less resistance using the power steering pump. That matters more for the ohms test, not the volts test.
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Good info, thanks. I've been using the fuel filler mount for ground as well.
- Peter.
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2021 Chevrolet Spark
Formerly...
2000 GMC Sonoma
1981 240D 4spd stick. 347000 miles. Deceased Feb 14 2021
2002 Kia Rio. Worst crap on four wheels
1981 240D 4spd stick. 389000 miles.
1984 123 200
1979 116 280S
1972 Cadillac Sedan DeVille
1971 108 280S