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fuel pump relay circuit problem 200 1983

"The last thing I did before quitting was to put the test light between 15 and 31 on the FPR connector and, now, I get voltage there. So, it looks like all the circuits for the FPR are OK."
• I agree. Don't know why you didn't get voltage at relay 15 before. Maybe testlight had a bad ground connection.

"Bentley states to check/replace the ignition switch at this point."
• I think that Bentley NOTE is screwed up. It says if you have power at terminal 30 of the ignition switch...the switch is faulty???
That makes no sense to me. Switch terminal 30 is where the relay 15 power comes from:
Ign. Sw.30=>Fuse 13=>Relay 15. You must have power at Sw terminal 30.

"I jumped across the left side of fuse 5 and 7 again, just to verify pumps, and the pumps come on and the car starts right up with a turn of the ignition switch. So, switch is OK as well?"
• Sure — it must be if you saw voltage at fuse 13 and relay 15.

Back to square one? Could it be that my new relay is a lemon?"
• I'd have to say yes to that, since you have voltage at 15, pulses at 31b, and a ground at 31. With those conditions, the relay should "pick" — and connect the input (fuse 7) voltage on terminal 30, to the output terminals 87 and 87b.
--
Bruce Young
'93 940-NA (current) — 240s (one V8) — 140s — 122s — since '63.






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