compustar engine sensing yellow/bk wire

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dman702

Member - Posts: 8

Joined: January 21, 2008

Location: Nevada, United States

Posted: January 31, 2008 at 10:30 PM / IP Logged

My car is a 2005 dodge neon with a 5 speed transmission.

Can i connect the CN3 #9 Yellow/Bk engine sensing wire to the alternator? My car doesn't have a tach wire. On the manual it says learning tach/Injector wire and right under that it says Alternator sensing. Does that mean I can use a tach wire, injector wire or an alternator wire for the engine sensing?

I appreciate any help.

Thanks,

Dave

chadwa2003

Copper - Posts: 353

Joined: January 08, 2005

Location: Canada

Posted: January 31, 2008 at 11:22 PM / IP Logged

You can use an injector no problem if you use alternator sensing you must program it to accept it

dman702

Member - Posts: 8

Joined: January 21, 2008

Location: Nevada, United States

Posted: January 31, 2008 at 11:58 PM / IP Logged

chadwa2003 wrote:

You can use an injector no problem if you use alternator sensing you must program it to accept it

How can I find the correct injector wire? Do I need a test light or a voltmeter?

Thank you for your help.

Dave

tedmond

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This member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.

Joined: January 06, 2007

Location: Ontario, Canada

Posted: February 01, 2008 at 7:07 AM / IP Logged

voltmeter for sure. set it to AC, and test your wire by placing black to ground and red to the wire you are testing. the wire will show anything from 1v AC - 6.6v AC. it always fluctuates

usabuilt

Copper - Posts: 161

Joined: September 11, 2007

Location: United States

Posted: February 01, 2008 at 9:08 AM / IP Logged

The correct injector wire is the wire that is not common, the injectors will have two wires, one wire will be the same color on all the injectors and the other will be different, use the uncommon color. no meter is necessary.

StealthEs

Copper - Posts: 326

Joined: September 04, 2003

Location: New Jersey, United States

Posted: February 01, 2008 at 9:38 AM / IP Logged

Did you change the setting of the CN3 #9 Yellow/Bk for engine sensing, otherwise it still set for tach. You have to change the setting. You're better off just going to the injectors like everyone says.

Cris

StealthEs

Copper - Posts: 326

Joined: September 04, 2003

Location: New Jersey, United States

Posted: February 01, 2008 at 10:03 AM / IP Logged

If you still rather do Alternator sensing you have to change Option group 2, 2-10 to option 2.

Cris

usabuilt

Copper - Posts: 161

Joined: September 11, 2007

Location: United States

Posted: February 01, 2008 at 10:06 AM / IP Logged

why do you say your car has no tach wire?? There is no coil on the top of the engine??/ injector wires are not as good as a tach.

dman702

Member - Posts: 8

Joined: January 21, 2008

Location: Nevada, United States

Posted: February 01, 2008 at 10:06 AM / IP Logged

StealthEs wrote:

No, I didn't change the setting of CN3 #9 Yellow/Bk for engine sensing.

How do I change the setting to make it work with the injector wire?

BTW can I connect a tachometer with a shift light on an injector wire?

Thank you everyone that has reply.

StealthEs

Copper - Posts: 326

Joined: September 04, 2003

Location: New Jersey, United States

Posted: February 01, 2008 at 10:12 AM / IP Logged

dman702 wrote:

StealthEs wrote:

No, I didn't change the setting of CN3 #9 Yellow/Bk for engine sensing.

How do I change the setting to make it work with the injector wire?

BTW can I connect a tachometer with a shift light on an injector wire?

Thank you everyone that has reply.

I dont see why you couldn't. I would just connect each to their own injector though. As far as to change the options, I have a programmer so I'm not sure how you would go about doing it without it. Just go to the injector.

Once conncted start the car with the key, step on the brake, activate the remote start from the control your lights should blink to confirm that a good tach has been learned.

Cris

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