Hi try here Ford Workshop Manuals
SOURCE: Radio Wiring Diagram
Go to www.crutchfield.com.
On the bottom of the page there is a link for product support. On the next page, type "2005 Grand Prix" in the search box and hit enter. The top link shows an image and pinout on models with Monsoon sound systems, the second link for ones without.
Hope that helps! Good luck!
SOURCE: 2004 corolla
That is true, just installed the clifford matrix one mile range remote starter system... while looking at the pcm, it will be the harness farthest to the right. yes there are 2 black wires but the correct one is the left of the 2 on the very far right harness... verify with a volt meter... hook up positive lead to constant + 12 volt source and probe the ground to that black wire and start the engine... meter will read between 1-6 volts... good luck.
SOURCE: wiring diagram
Try Crutchfield.com. They may have a wiring diagram that you can download. They certainly have adaptor harnesses. So you don't have to cut the factory connectors off.
SOURCE: Need an ecu wiring diagram
what is the car doing?? by you saing "need a ECM diagram?" what is the problem with the car. that car is pretty bulletproof and I have't seen any ECM issues unless your A/C drain is clogged up and water leaked onto/into your ECM frying it up. Let me know what your symptoms are.
SOURCE: pcm is not grounding injectors. need a pin diagram and ground location diagram
Ground points are in different locations throughout wiring harness. If you had any work done to engine it is very possible to have missed one of the grounding eyelets during the process of putting things together. Check along wiring harness in any area you can see or reach to try to locate any loose or disconnected ground looks.
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