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Re: jumpering a + b terminal on gm truck
Posted to Technical Discussion Forum on 3/5/2007 1 Reply

Hi Mark,

A 92 with A&B jumpered KOEO should ground the MIL circuit in a code 12. Other solenoids and relays will be pulsed with a 50% duty cycle (egr, purge) or just turned on (A/C clutch, cooling fan). So as Daniel said, you could have a crossed wire or "gr... Login to read more.

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