Lay the harness out on your work bench and have each sensor plugged into the harness then trace each wire back to the ecm connector you will be able to separate a lot of uneeded wires consult wiring diagrams. Around 2001 the engines no longer had egr so that does away with 5 wires.
Classic Plus Customizable 1973 1987 Gm Truck Chassis Harness
How to make a stand alone tbi harness. 200700 r4 stand alone. Fuel injection connection tbi standalone harness. Once you have each wire identified and layed out then you can set it up on the engine and start tailoring it to fit your engine. Typically technical support is limited to the. The wire harness above is for the application years 1986 91 pre 4l60e. The differences in the 99 02s dont matter a bit when making a harness stand alone.
Its designed for stand alone systems driving only the engines injection system. Info is more complete for 1999 2000. The device replicates a signal to the computer. Warranties this harness is covered under warranty for the lifetime of the original owner against defects in workmanship within the wiring harness only not time or any damage in result of defective workmanship of the wiring. 1985 1992 throttle body injection tbi standard length harnesses are 54 from the back of the engine to the pcm connectors. The computer still thinks its receiving the correct pulse.
Basic connections are standard but it is easy to customize one for your needs. C2 information is in these links. Complete with the wiring for emissions and vss. Later years should be similar use circuit s to compair. 1999 2002 are very similar. 4l60e stand alone 4l80e stand alone other automatic transmission.
We also have a device that will allow you to delete the vss circuit. This is a basic tbi harness for all engines using ecm 1227747 and 1228746 type ecm many others can be used. It is also designed to be used with a speed density air metering system which is what the gm tbi units used anyway. 1992 95 tbi wire harnesses. Waitts g body building. How to wire up ls lt1 and lt4 in your g body monte carlo ss regal cutlass malibu caprice el camino duration.
Gallery of How To Make A Stand Alone Tbi Harness
