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relay wiring quagmire, need help :- { 200

posted by  porkface on  Mon Jun 28 16:09 CST 2004
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last visit: Fri Oct 24 09:12 CST 2014
[RELATED]

chris-i know where to get the wiring diagram, not from memory. do you mean constant idle system-volvo cis? i don't see where the cis ecu has mixture or fuel pump control. unless we're at a bad harness somehow. if it's the idle ecu, what's the idle motor doing? the idle ecu gets power from 15, on the same wire, like the fuel pump relay. maybe the idle motor is shorted? it shouldn't cause the relay to heat up from too many amps. these "quagmires" need to be seen. like i always say, i can't see under your hood, the light here sucks. i'm curious how your examples on the rare occasions, were cured with the idle ecu. my experience has been 2 idle ecus, for shorting out from harnesses and no idle motor control. new harness and ecu and the car now idled. never saw mixture problems. how did you arrive at the conclusion? i'm curious now! lemme know, please. seeya, chuck.






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