2003 Pontiac Sunfire Remote Start
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=24750
Printed Date: August 16, 2025 at 12:32 PM
Topic: 2003 Pontiac Sunfire Remote Start
Posted By: iskidoo
Subject: 2003 Pontiac Sunfire Remote Start
Date Posted: January 17, 2004 at 9:02 AM
Can anyone tell me where the tach is located under the hood. I have the wire color code (wht/grn or white at the coil pack) but would like some more info about where exactly the coil pack can be found.
Thanks, Steve
Replies:
Posted By: iskidoo
Date Posted: January 17, 2004 at 10:11 AM
I am installing a Crimestopper RS-900 VI remote starter. Is there any difference in the wiring diagram between the 2002 and 2003 model Sunfire? I was unable to locate 2003 using search so I was hoping you could post it for the next guy that does a search and so that I can see if there are any differences.
Thanks, Steve
Posted By: boomer_106
Date Posted: January 17, 2004 at 10:24 AM
Remote Starter Wiring Colors and Notes | Function | | Vehicle Color | Location | Start: | | Yellow (+) | Ignition switch harness | Ignition #1: | | Pink (+) | Ignition switch harness* | Ignition #2: | | N/A | Ignition switch harness | Ignition #3: | | N/A | Ignition switch harness | Accessory: | | Orange (+) | Ignition switch harness | Brake Light: | | White (+) | Brake pedal switch | Tach Signal: | | PURPLE / White (AC) | Engine harness | Parking Lights: | | Brown (+) | Drivers kick panel to the rear | Headlights: | | N/A | | OEM Alarm Disarm: | | N/A | | OEM Alarm Arm: | | N/A | | Diesel Glow Plug: | | N/A | | Clutch Bypass Wire: | | N/A | | Notes: | | *This vehicle is equipped with GM's Passlock II Anti-Theft system. Use Universal Alarm Bypass Module part # 2x402 where X can be any number. You can also use Vehicle Specific Factory Alarm Bypass Module part # 23545 or See Note #113. |
Alarm and Keyless Entry Wiring Colors and Notes | Function | | Vehicle Color | Location | Constant +12 Volts: | | Red (+) | Ignition switch harness | Starter Kill: | | Yellow (+) | Ignition switch harness | Ignition +12 Volts: | | Pink (+) | Ignition switch harness* | Dome Lights/Superv: | | N/A | | OEM Horn: | | Black (-) | Steering column harness | Power Lock: | | Lt.Blue | Either kick panel or at the BCM** | Power Unlock: | | White | Either kick panel or at the BCM** | Trunk Release: | | BLACK/ White (+) | At the BCM*** | Alarm Input Wire: | | N/A | | Notes: | | **Vehicles without factory keyless entry have reverse polarity door locks. Vehicles with factory keyless entry have positive polarity door locks. See Note #203 and See Note #202. ***The Body Control Module (BCM) is located to the left of the steering column above the kick panel area. |
Posted By: iskidoo
Date Posted: January 17, 2004 at 11:16 AM
Where can the engine harness be found for tach signal?
Posted By: sunfighter077
Date Posted: January 17, 2004 at 11:27 AM
THE HARNESS IS THE GROUP OF WIRES THAT GOES INTO THE SIDE OF THE VALVE COVER ON THE 2.2L ECOTEC
Posted By: jrilla
Date Posted: January 17, 2004 at 2:55 PM
What engine do you have?
There should be a connector on the right side of the engine toward the top.
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J Rilla
Owner/Installer
Posted By: iskidoo
Date Posted: January 17, 2004 at 2:57 PM
2.2L Automatic EcoTec
Posted By: jrilla
Date Posted: January 17, 2004 at 3:09 PM
sunfighter is right on then. I have a picture if you want it.
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J Rilla
Owner/Installer
Posted By: iskidoo
Date Posted: February 05, 2004 at 10:50 AM
Im looking for the wire color of the DOOR TRIGGER to disable RAP after remote start shutdown and also wondering if it can be tapped into at the BCM of a 2003 Pontiac Sunfire.
Also would I need a relay to trigger the trunk output at the BCM if using the 500mA negative output from the remote starter. Is it required at the BCM or is is low enough current that I can wire it directly?
Lastly I haven't found a sopt that I can mount a hood pin switch under the hood. All the steel around the the engine compartment seems to be closed pretty good and I don't see a spot that I can get underneath to wire to even if I drilled a hole....any suggestions?
Posted By: boomer_106
Date Posted: February 05, 2004 at 3:18 PM
Im just thinking you wouldnt need to disable RAP after shutdown because remote start doesnt usually power the radio and accessories anyway other than the HVAC. Perhaps Im overlooking something. Not sure on your relay part but I would guess that you would need it. For the pin switch maybe you can just make a small sheet metal bracket to hold the switch. You can attach the bracket to the vehicle with a small self tapping screw.
Posted By: chriswallace187
Date Posted: February 05, 2004 at 11:19 PM
For the trunk release, you will need a relay because it is a positive triggered release.
The door trigger wires are GREEN/ black and lt. blue at the pins or the BCM. You can pulse either one with the factory rearm output if you have one to shut the radio off.
As boomer_106 suggested, you can make a bracket out of sheetmetal to mount your hoodpin...I mounted the one on my '02 Sunfire to the strut tower near the top, though if you do that be careful to use short screws(like 1/2" or less.)
Not sure if you found the tach wire yet, but there should be a plug going into the end of the ignition module on top of the motor that has a tach wire in it.
Posted By: ck auto
Date Posted: February 06, 2004 at 5:38 PM
on any cav sunfire the best spot is on the back firewall their is a lip where the cowl attaches drill hole and mount their no muss no fuss works like a dream every time ------------- good luck
kirk
Posted By: iskidoo
Date Posted: February 07, 2004 at 7:29 AM
boomer_106 wrote:
Im just thinking you wouldnt need to disable RAP after shutdown because remote start doesnt usually power the radio and accessories anyway other than the HVAC. Perhaps Im overlooking something.
I did not power the brown second ignition so the radio doesn't come on when the vehicle is remote started, but when you have the vehicle running by key and use the pit stop feature and you let it time out the radio remains on for 30 minutes. For that reason I added the pulse after shutdown to the door trigger just to be safe.
ck auto wrote:
on any cav sunfire the best spot is on the back firewall their is a lip where the cowl attaches drill hole and mount their no muss no fuss works like a dream every time
I'll look for that spot when I get the vehicle back. Other than that the install is complete. I put the hood pin off because my drill wasn't available at the time of the install. But I do want to get that installed due to the fact that I also installed a DEI timer for unattended scheduled starting. Thanks for all the help.
Posted By: boomer_106
Date Posted: February 07, 2004 at 8:44 PM
Ahh I see. I figured it was just something I was missing. Thanks for setting me straight on that.
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