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HELP! NO SPARK 240 '82 200 1982

uid 18083's pic
posted by  lucid on  Sun Dec 19 02:36 CST 2004
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last visit: Fri Oct 24 12:31 CST 2014
[RELATED]

Good progress! As I said in my 3rd post (Dec.11th) there are two circuits for +12v coil voltage — 1 for Starting/Cranking and 1 for Running. On Dec 11th I thought you were missing the Cranking voltage.

Now I think you are missing the Running Voltage. Here are some edited parts of the Dec 11th post (above) —

Once the engine is started, the coil voltage then comes through a Resistor (white porcelain cylinder) near the right hood hinge.
The resistor reduces the coil voltage for cooler running.

(Dec 18th note) You may NOT have the resistor (Blue wire to Brown wire), but the wiring will be the same path. Maybe a bad junction at hinge area. If no resistor, the quick fix is to run a new wire from the source — hot side of fuses 11-12-13 — to coil #15. As a quick test, jumper +12 directly to the coil #15 as suggested for the no-start.)

The Normal running voltage that you are missing to the resistor (?) comes (via the "many connections" mentioned Dec11th) via a Blue wire from the hot (unfused) side of Fuse 11-12-13.
The +12v comes to Fuses 11, 12, and 13 from the Ignition Switch, which gets the +12v from a small, black Junction Box near the Battery.
The Junction Box gets the +12v via the smaller Red wire at the Battery + terminal connector.
--
Bruce Young
'93 940-NA (current) — 240s (one V8) — 140s — 122s — since '63.






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