2006 colorado r/s check engine

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3forty7

Member - Posts: 16

Joined: April 08, 2004

Location: United States

Posted: April 14, 2006 at 10:44 PM / IP Logged

Alright guys I did a 791 in a 06 colorado and wired up the 2 relays rather than using the bypass mod. measured the resistance on the wire , and got the resistors on the dot. Car started fine when it left the shop and had no check engine light. Customer called back a few days later and was having a problem with the check engine light, I cleared the code and remote started it several times, drove the vehuicle around no light. Several days later back again light is on, any ideas? oh ya the starter wire was tagged under the hood as well, and all wires are testing correct.

thanks

dea,can

Copper - Posts: 284

Joined: January 12, 2006

Location: Saskatchewan, Canada

Posted: April 15, 2006 at 12:00 AM / IP Logged

CHECK ENGINE light, ABS light, or SERVICE ENGINE SOON light stays after remote starting the vehicle.

o Check that the vehicle’s ignition wires and accessory wires have all been properly interfaced and they

are energized when the remote start is activated

o Check that none of the vehicle’s wiring harness connectors are unplugged.

o On 1995-Up Chevy trucks, there is a second ignition wire (PINK or PINK/WHITE) that MUST be

energized when remote starting the vehicle. If this wire is not energized, the CHECK ENGINE light

will come on and the vehicle will not shift properly.

o On some 1993-1997 Intrepid, Concorde, Vision, and LHS models, there is an 18-gauge RED / WHITE

wire in the ignition harness that must be powered as an ignition wire when remote starting the vehicle,

or the SRS (airbag) light will come on. There may be as many as 3 RED / WHITE wires in the ignition

harness. The correct wire will show 0V with the key in the off position and 12V in RUN, and CRANK.

The incorrect wires will show some amount of voltage with the key off.

dragon

mo12v

Platinum - Nominee - Posts: 2,748

This member consistently provides reliable information

Joined: September 30, 2003

Location: Afghanistan

Posted: April 15, 2006 at 12:04 AM / IP Logged

Does the Check Engine Light come on from the Remote Start or with Key Start?

Be sure your Resistor is not changing Value from Heat or Cold.

What color Starter wire under hood? & why?

Don't Learn from Others Mistakes

You Might Be the One That Knows.

Velocity Motors

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Joined: March 08, 2002

Location: Manitoba, Canada

Posted: April 15, 2006 at 8:42 AM / IP Logged

Why would you tag the starter wire under the hodd ? The starter engages after the ACC wire falls out so you don't even need to have the starter wire attached.

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

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3forty7

Member - Posts: 16

Joined: April 08, 2004

Location: United States

Posted: April 15, 2006 at 11:24 AM / IP Logged

for starter disable the starter wire must be tagged under the hood, this was an automatic, not a manual.

Joe Neal

Copper - Posts: 113

Joined: October 15, 2004

Location: United States

Posted: April 15, 2006 at 11:35 AM / IP Logged

I don't put Starter Kill on these.

Without the Key.......I don't think a thief is going to fire it up...

3forty7

Member - Posts: 16

Joined: April 08, 2004

Location: United States

Posted: April 17, 2006 at 10:42 AM / IP Logged

yeah, but it is still one more thing a customer will complain about if you dont do. Its not like it takes to long to tag it under the hood.

mo12v

Platinum - Nominee - Posts: 2,748

Joined: September 30, 2003

Location: Afghanistan

Posted: April 17, 2006 at 4:25 PM / IP Logged

I would want to ByPass the Starter Disable. It could be causing the Check Engine Light to come on.

Also change out the resistor Relays for a Good ByPASS Unit.........

Don't Learn from Others Mistakes

You Might Be the One That Knows.

gus1

Gold - Posts: 1,013

Joined: October 15, 2003

Location: Canada

Posted: April 17, 2006 at 4:45 PM / IP Logged

Truck has factory anti grind, the ECM controls crank..... doing a starter kill is pretty much a moot point on this vehicle.

I would imagine the ECM is seeing the starter unit cranking the vehicle out of time with it's own crank signal, and is throwing it off. On comes the light.

Pull your starter kill..... probably is what is causing your issues.

Gus

Wherever I go, that is where I end up......

johnmax

Copper - Posts: 131

Joined: November 15, 2003

Posted: April 17, 2006 at 5:07 PM / IP Logged

Yeah I don't do starter kill on those. I always use the 2 relays on them, H3's, Canyon, Saturn, etc. Never have a problem.

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