99 gmc remote start second ignition

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=23855
Printed Date: May 21, 2024 at 5:03 PM

Topic: 99 gmc remote start second ignition

Posted By: cruzrthree
Subject: 99 gmc remote start second ignition
Date Posted: January 03, 2004 at 5:28 PM

I wired a prostart 3100 in a 99 gmc truck.My problem is when i start the vehicle with the remote the check engine light comes on and the transmission wont shift right.I suppliied (+) when running from the potenomitor type control from the passlock module to the small white wire by the small yellow start wire and the check engine light still comes on.I would appreciate any info on this problem or a proper wiring porocedure THANKS Brad

Replies:

Posted By: draasch
Date Posted: January 03, 2004 at 6:27 PM

Make:   GMC
Model: Sierra/fullsize P/U
Year:    1999
This Database Was Last Updated On:    6/9/2003
Index #: 7869

Alarm
Constant 12 volts RED IGNITION SWITCH HARNESS
Ignition 12 volts PINK IGNITION SWITCH HARNESS
Starter YELLOW IGNITION SWITCH HARNESS
Dome Light TAN (DR) & L GRN (PS) (-) AT MODULE BELOW STEERING COLUMN *
Trunk Pin Switch N/A
Parking Lamp BROWN (+) AT HEADLIGHT SWITCH
Power Lock L BLUE DRIVER KICK #202
Power Unlock WHITE PANEL

* Three Plugs Under The Dash.The Wires Are In The One On The Right. Diode Isolate Door Trigger Inputs! #202 - See Positive Pulse Door Lock Diagram.

Remote Start
Tach Signal WHITE AT IGNITION COIL OR PCM * #238
Ignition #2 WHITE IGNITION SW. HARNESS (TRANSMISSION)
Ignition #3 ORANGE IGNITION SWITCH HARNESS (HEAT/AC)#216
Accessory BROWN IGNITION SWITCH HARNESS
Neutral Safety NOT GROUNDING TYPE - OEM SWITCH OPENS STARTER CIRCUIT
Brake Light WHITE (+) AT SWITCH ABOVE BRAKE PEDAL
Reverse Light L GREEN (+) AT SWITCH ON TRANSMISSION
Rear Window Defrost N/A

* Ignition Coil Is Located On Passenger Rear Of Engine. Some Trucks Will Be Equipt With A Multi-Coil Ignition System Similer To The Corvette. Tach Wire May Be Located At Each Coil Or At The PCM Left Front Of Engine Compartment. #216 - See G.M. Extra Ignition Diagram. #238 - See G.M. Passlock II Diagram.

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Good Luck
David
Ace Security
813-376-9778
Tampa
Donate to the 12volt

Posted By: cruzrthree
Date Posted: January 05, 2004 at 4:05 PM

Thanks for the info David.I would like to know where to find G.M. Extra ignition diagram #238 and G.M. passlock II diagram thanks Brad.

Posted By: cruzrthree
Date Posted: January 05, 2004 at 4:08 PM

Thanks for the info David.I would like to know where to find G.M.extra ignition diagram #238 and G.M. paslock II diagram for this truck Thanks Brad.

Posted By: Geeque
Date Posted: January 05, 2004 at 4:37 PM

second ignition should eigther be pink/wht or white, your remotwe start should have a wire coming out for second ignition.

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Gary Kline
MECP Master Technician