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Wiring Diagram for '86 951 Idle Control Valve

Posted: Tue Nov 18, 2025 7:37 pm
by RZwetzig
What are the 3 small terminals in the Idle Control/Stabilizer Valve connected to?
Thank you!

Re: Wiring Diagram for '86 951 Idle Control Valve

Posted: Tue Nov 18, 2025 8:03 pm
by Tom
RZwetzig wrote: Tue Nov 18, 2025 7:37 pm What are the 3 small terminals in the Idle Control/Stabilizer Valve connected to?
Thank you!
The outer pins go to 33 and 34 in the DME connector. The center pin goes to battery voltage. Having an issue?

Re: Wiring Diagram for '86 951 Idle Control Valve

Posted: Wed Nov 19, 2025 8:07 pm
by Evan
RZwetzig wrote: Tue Nov 18, 2025 7:37 pm What are the 3 small terminals in the Idle Control/Stabilizer Valve connected to?
Thank you!
The three small terminals are for the two windings of the stepper motor and a common power feed.
The DME controls the motor by pulsing the ground paths for the two windings to move the valve in or out.