92 K1500 Injector Wiring Diagram

A2 not used a3 not used a4 gry to egr relay optional this is a ground from the ecm to control the egr relay. Hi lisa the first thing i would do is check the impulses from the computer to the injectors this can be done with a test noid light do not use a test light or ground any of the computer circuits wire the noid light 5v in place of the injector and then turn over the engine to see it it flashes. The wire colors are the same as the factory wire colors for car and truck tbi injected engines.

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92 k1500 injector wiring diagram. Learn to test and analyze automotive fuel injector circuits from a wiring diagram perspective. Fuel injectors are attached to the fuel rail. 1993 gmc c1500 c2500 c3500 pick up. A1 grn wht this wire is used to energize the fuel pump relay.

A5 brn wht ses service eng soon light. The illustrations in the diagnostic manual are printer friendly. 1993 chevrolet k1500 k2500 k3500 pick up. Light blue w white stripe.

Idle air control iac b high. It is very time consuming to detect and prove a clogged. Here s a list of the pins but they are also on the wiring diagrams above. Complete step by step testing instructions.

If it flashes that means that the computer is. Idle air control iac a high. With alldata s online manuals you get thorough wiring diagram schematics as well as repair info factory part numbers and labor times and much more. Red w black wire.

This is a ground to turn on the light. Dark blue w white stripe. Ratchets and wrenches 3 957 638 views. 1985 1992 throttle body injection wiring harness installation.

1993 gmc k1500 k2500 k3500 pick up. Quality of construction this harness is constructed using oem quality wire for superior reliability and long term use. How to use a multimeter for beginners how to measure voltage resistance continuity and amps duration. We are the industry s leading source of online factory diagnostic and repair information used by 200 000 automotive technicians everyday.

Totally free gmc wiring diagrams. Light green w black stripe. The ground may be a chassis ground on a certain com ponent such as an alternator or a starter or a wire. Wiring repair 14 special tools 15 vehicle section r v models a 1 p chassis b 1 wiring diagrams 2 description figure 1 wire coding the diagrams are to be traced from the source of electricity the battery positive post to ground.

Light green w white stripe.