If you run into an electrical problem with your gmc you may want to take a moment and check a few things out for yourself. Gm pn 12570790 gm pn 12580760 only the following factory drive by wire throttle pedal assemblies have been pre calibrated and approved for use with this harness.
Drive By Wire
Gm dbw wiring diagram. Wiring diagrams gmc. The drive by wire system first appeared on the 1997 corvette with the introduction of the ls1 engine. This system uses only two of the three app sensors. 800 x 600 px source. This wiring diagram represents the 20032004 gm truck electronic throttle control system. 800 x 600 px source.
Next came drive by wire dbw versions that use an electronic gas pedal assembly and a servo motor mounted to the throttle body that operates the throttle plate. Gm places the vss at the. Even though the f body camaro firebird was introduced with the ls1 engine and the gm truck line in 1999 with the gen iii vortec most of the trucks stayed with the throttle by cable system. As compared to the 19992002 gm truck tac module the 5v reference and low reference for app sensor 2 have been swapped. Everything you read about these systems indicate that they are the best thing to ever happen to automobiles. The electronic throttle body.
Fly by wire systems are being used in a lot of cars and pickups on the road today and one of the most common fly by wire systems in use is the one that graces most of the newer gm pickups. Although 20032004 gm trucks use only two of the three app sensors the 2003. Gm trailer hitch wiring diagram with pin and gmc diagrams reading size. Use only the drive by wire wiring harness supplied by holley. There are e few such as the 60l which was dbw. This harness can not be cut shortened lengthened.
Gm pn 10379038 20 warnings. Before you dive in with a multi meter you will want to obtain a free wiring diagram for your specific modelyou may need to locate a specific color wire and its exact location.
Gallery of Gm Dbw Wiring Diagram
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