Trying to find a start circuit to use

Tiny
PBLAKENEY
  • MEMBER
  • 2003 MITSUBISHI ECLIPSE
  • 166,000 MILES
I have a 2003 Mitsubishi Eclipse with an automatic transmission V6 GT. I am trying to find a circuit that only has voltage when the key is in the crank or start position. I intend to tie into this circuit to send this voltage to a voltage comparator. The voltage comparator has a large input impedance so there will be nearly zero current consumption. So basically I am searching for an easy to find, easy access circuit that has about 12 volts only when the key is in the start or crank position. Thanks in advance!
Sunday, October 9th, 2011 AT 3:52 AM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try at the small terminal at the starter motor solenoid-
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Sunday, October 9th, 2011 AT 4:10 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
You should be looking at the crank signal wire and the easiest way is either the ignition switch or if from the engine, the starter relay or the starter solenoid wire.

I am having problem logging onto our database so I am not able to get any wiring diagram now. Will get back to you once I have the info.
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Sunday, October 9th, 2011 AT 4:25 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
From the ignition switch, use the Black/Red wire.
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Sunday, October 9th, 2011 AT 4:31 AM

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