Possible to start engine without depressing on clutch??

ykz · 11-07-2010, 11:15 PM

just did this on my car. Installing relay provisions for my remote start i ordered. I used two relays as there are actually two switches on the clutch pedal.

Relay#1 - to open the circuit for clutch pedal position switch coming out of pin 99 at the BCM (a 12V input is normally found on this pin at rest which must be interupted to allow a start)

Relay#2 - to apply 12v to the clutch interlock switch circuit at pin 114 of the BCM. (this pin has 0Volts at rest and requires 12v to allow a start)

Following that just apply a ground pulse to the start button circuit at pin 89 on the BCM and voila, your car starts with no clutch, no push button.

I will be using a proximity key bypass module that powers up the key fob only for the start of the car then powers it off once started. That way the key fob is dead after the car is started and you cannot walkup to the car and unlock the doors with the door unlock request button.

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11-07-2010, 11:15 PM	#19 (permalink)
ykz Base Member Join Date: Nov 2010 Location: Yellowknife Posts: 9 Drives: 09 370z PG M6 Rep Power: 16	just did this on my car. Installing relay provisions for my remote start i ordered. I used two relays as there are actually two switches on the clutch pedal. Relay#1 - to open the circuit for clutch pedal position switch coming out of pin 99 at the BCM (a 12V input is normally found on this pin at rest which must be interupted to allow a start) Relay#2 - to apply 12v to the clutch interlock switch circuit at pin 114 of the BCM. (this pin has 0Volts at rest and requires 12v to allow a start) Following that just apply a ground pulse to the start button circuit at pin 89 on the BCM and voila, your car starts with no clutch, no push button. I will be using a proximity key bypass module that powers up the key fob only for the start of the car then powers it off once started. That way the key fob is dead after the car is started and you cannot walkup to the car and unlock the doors with the door unlock request button.