Gm Throttle Body Wiring Diagram

Wiring diagrams all diagrams contained in this manual are based on the latest product information available at the time of publication approval. Wiring diagrams spare parts catalogue fault codes free download. The gm truck throttle body looks much like the 19972004 corvette throttle body but with the tps and throttle shaft motor on opposite sides.
gm throttle body wiring diagram

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Gm throttle body wiring diagram. The right is reserved to make changes at any time without notice. The blade on this throttle body measures approximate 75 mm in diameter. This harness will also work on an 86 93 43 liter v6 as well as a 454 74l engine. Generic tbi fuel injection block diagram acronyms individual components and their function schematic diagram the actual installation theory and modes of operation calibration equipment variables the subject of this session is throttle body fuel injection.

This includes all wiring that is needed by the computer to run and control the fuel injection system. Tbi fuel injection conversion using a gm tbi efi system. What is covered here is generally applicable to most tbi systems but we will be putting particular emphasis on how it applies to our gmc. Same can be accomplished with any tbi system from mid 1980s to.

Workshop and repair manuals service owners manual. In this section well focus on the electronic throttle body. And accelerator pedal assembly. This procedure is a mute point if you have the wiring diagram but often times you just need to actuate the electronic throttle to do a cleaning and run the electronic throttle t p s though the.

As you have probably already observed there are 8 wires sticking out of the electronic throttle body. There are three major components of the gm electronic throttle body and they are. One of the most popular efi conversions to older chevy engines or any engine for that matter is the gm tbi system using the 1227747 ecm. Most of the wiring in the harness has been pre terminated to the proper connector and all.

Drive by wire function and diagnostics by wells duration. There are many others that will do the same thing but the 1227747 is most well known and documented and will be the basis for this article. The truck and corvette share the same throttle shaft motor which is not serviceable separately but with opposing polarity. General motors throttle body 50l and 57l injection engines.

21 gm throttle body repair p2135 duration. Throttle actuator control tac module.