Cruise control wiring

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10-18-2009, 02:28 PM

cruiserlad

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Cruise control wiring

I'm using a 94 4Rnr cruise control module. Pin 21 (blue/red trace) comes from the ECM. Can anyone tell me what the signal is? I presume it tells the ccECU that the engine is at idle. FWIIW I'm not using the original ECM and I'm pretty sure that the cruise control ECU needs this signal to work. I'm also pretty sure that this cc ECU was used in both A/T and M/T units. Thanks for any help.

Cruiserlad