2003 Pontiac Sunfire Tach wire

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ammarsunfire

Member - Posts: 41

Joined: September 01, 2003

Location: Canada

Posted: March 09, 2004 at 9:34 PM / IP Logged

I have a 2003 Pontiac Sunfire I can't seem to find the correct tach wire for my viper remote starter. I know it's the violet/white wire in between the transaxle and rad hose but it dosn't work. I tried taking it from inside but no luck. I tried almost every violet wire there is and nothing works. Then I tried taking a signal from the fuel injecters but got no luck with that. If theres anyone out there who can help me I'd greatly apprieate.

THANKS FOR ANY HELP

JakeJ

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Joined: February 22, 2004

Location: United States

Posted: March 09, 2004 at 11:50 PM / IP Logged

I am not familiar enough with that vehicle to tell you were to try next. Crime Stopper makes a "tach signal generator" that works very well. I have used it on vehicles that I could not find a valid tach source. It mounts to the alternator.

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mobile1

Silver - Posts: 479

Joined: February 23, 2004

Location: United States

Posted: March 10, 2004 at 12:00 AM / IP Logged

The viper can be set to read voltage. If worse comes to worse you can use that. My info says its in the ignition harnes next to the battery

Velocity Motors

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Joined: March 08, 2002

Location: Manitoba, Canada

Posted: March 10, 2004 at 12:06 AM / IP Logged

Which wire from the injector did you use. The injector wires work 100 % of the time with the newer remote start systems. You have to use the uncommon colored wire and you have to solder the connection to the tach wire on the remote starter unit.

Jeff

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Javelin3o4

Copper - Posts: 239

Joined: August 22, 2003

Location: United States

Posted: March 10, 2004 at 1:44 AM / IP Logged

dei direct wire says the same thing ,PONTIAC, SUNFIRE, 2003, Tachometer

The engine harness is found next to the battery, below the radiator hose, just above the transaxle.

jrilla

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Joined: November 19, 2002

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Posted: March 10, 2004 at 10:33 AM / IP Logged

What engine do you have? I may have a picture.

J Rilla

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cbag1

Copper - Posts: 59

Joined: February 26, 2004

Location: Canada

Posted: March 10, 2004 at 4:24 PM / IP Logged

check with DMM if you get 1 - 6 acv on that PURPLE / white. make it sure you're in tach mode just curious.

Some new vehicles use less than 12 volts in thier ignition system. The unit may have trouble learning the tach signal in this vehicle. Check your unit if you have a jumper for tach threshold, if so, you may turn this one on.

hope it help.

ammarsunfire

Member - Posts: 41

Joined: September 01, 2003

Location: Canada

Posted: March 10, 2004 at 5:41 PM / IP Logged

I have the 2.2L ECOTECH engine. I found a wire that was below the 1 volt mark but flucuates between 0.3 and 1.15 depending on engine speed, I connected that (it was purple) but my viper system said it was too weak of a signal.

extreme1

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Joined: February 12, 2003

Location: Canada

Posted: March 10, 2004 at 11:55 PM / IP Logged

white wire in connecter entering valve cover on driver side of engine.

sroth140

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Joined: August 27, 2003

Location: United States

Posted: March 11, 2004 at 2:48 AM / IP Logged

extreme1 wrote:

white wire in connecter entering valve cover on driver side of engine.

yup, its in the wires to the coil pack. i think the PURPLE / white there will work too. there are two different harnesses side by side where the spark plugs are, test for it there. i think im using the wite on my cavalier.

MECP certified installer

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2003 Pontiac Sunfire Tach wire

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