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Checking injector points 140-160 1975

posted by  walrus3 on  Sat Jul 15 13:50 CST 2006
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last visit: Mon Dec 2 14:20 CST 2013
[RELATED]

I thought I had described this before.....
You have 3 terminals in the fitting on the side of the distributor.
The center one is common and the outboard ones go to the individual points.
You are testing points here, not voltages. Set the meter on some low ohms
range and check between the center terminal and each of the outside terminals
with the engine cranking. Both should give intermittent continuity when
cranking. If they do, then go to the cable where it plugs in to the computer
and check between 12 (center terminal) and 21 and 22. Both should give the
same intermittent continuity when cranking.
the 75 model is not that much different from the rest as far as the D-jet is
concerned, so any year manual that describes the D-jet system should be pretty
close, especially the one I sent you.
Warning! Depending on the location of the ignition coil, be careful you don't
shock yourself while cranking. It's hard to read a meter with 20,000 volts
pulsing in your elbow. (the voice of experience)
--
George Downs Bartlesville, Heart of the USA!






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