Question about 1995 Chevrolet Cavalier

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I need a wiring diagram for the pcm. - 1995 Chevrolet Cavalier

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I need the diagram for the plugs going into the pcm

Posted on Sep 24, 2008

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Are you looking for a specific wire found there or just the entire schematic?

Posted on Aug 02, 2008

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Posted on Jan 02, 2017

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SOURCE: how do I find a PCM wiring diagram?

We do not have any wiring diagrams available for download due to copyright laws.

Posted on Jul 19, 2012

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Need a coolant temperature sensor wiring diagram for a 2004 pontiac grand prix gtp


Check engine light on ? The coolant temp sensor is a input to the PCM - engine computer ! All wires come from an go to the PCM . What type of problem are you having ? Maybe able to save you some aggravation an time chasing gremlins . Coolant gauge not working ?
Engine Coolant Temperature Gage
The instrument panel cluster (IPC) displays the engine coolant temperature as determined by the powertrain control module (PCM) or the engine control module (ECM). The IPC receives a serial data message from the PCM/ECM indicating the engine coolant temperature. The engine coolant temperature gage defaults to 100°F (38°C) if there is a malfunction in the engine coolant temperature sensor or the IPC detects a loss of serial data communication with the PCM/ECM.

But if you insist ,you can find free wiring diagram's here http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model an engine ! Under system click on engine ,then under subsystem click on fuel controls . Click the search button then the blue link. The second an third diagrams both show coolant temp sensors . Both go to the PCM .

Jul 03, 2017 | Pontiac Grand Prix Cars & Trucks

1 Answer

I HAVE LUMINA 2000 MODEL,NO START, NO PULSE FROM PCM TO INJECTOR,,IS IT POSSIBLE TO REPLACE PCM??


yes you can replace PCM with same year model and motor
numbers must match
some online , US Ebay or a wrecker

http://www.acrautos.com/lumina.html

for less issues
after fitting requires the correct diagnostic tool to link up
air bag, abs ,ignition ,immobilizer and other modules,

in most cases the internal wireing of a manufactures car
PCM is not released to the public

....only replacement PCMs

a full factory repair manual of a lumina
may will have limited wiring diagram



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Mar 20, 2017 | Cars & Trucks

1 Answer

Hi, looking for a ECM wiring diagram on a Chevy Captiva 3.2 2007. Please


Your question is a little broad. Can you tell us the problem? If your having a problem with ignition or fuel system, something like that, I can help with wiring diagrams. If you need voltage and ground for pcm, I can't help with that. Can you narrow the problem down, a little?

To post a diagram of every little wire that comes off the pcm and show where it goes, is too much for me.

Sep 20, 2016 | Chevrolet Captiva Cars & Trucks

2 Answers

Working in a mazda mpv 2001, i cant find the ignition control unit, when i look for the part on ebay they sell the part as: ECU-ECM-PCM, question: is the ignition control unit inside the ECU-ECM-PCM?


It appears from a wiring diagram that there is no ignition control module. The ignition coils' primary circuits are grounded through the PCM. And the wires to the sensors are all from the PCM.

Here is a link if you want to see all your wiring diagrams. I found the above information under System: engine; Subsystem: fuel controls.

Free wiring diagrams and TSB's for every make and model:
http://www.bbbind.com/technical.html

Jul 30, 2015 | Mazda MPV Cars & Trucks

1 Answer

How do I find a PCM wiring diagram?


We do not have any wiring diagrams available for download due to copyright laws.

Jul 16, 2012 | 1999 Chevrolet Cavalier

1 Answer

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.

Nov 23, 2011 | 1998 Pontiac Bonneville

1 Answer

Wiring diagram for my 2003 GMC Sierra 1500 HD it has 5 wires at the IAT MAF .


black wire is the 5 volt reference from PCM to IAT. Tan is IAT data signal to PCM. See diagram below.

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Oct 31, 2010 | GMC Sierra 1500HD Cars & Trucks

1 Answer

LOOKING FOR WIRING DIAGRAM FOR 1992 INFINITI Q45 FUEL PUMP NOT GETTING POWER OR RELAY OR SOMTHING NEED WIRING DIAG.


CHECK FUEL PUMP FUSE.AND SCAN CAR FOR PCM FAULT CODES.PCM CONTROLS THE FUEL PUMP.A HAYNES REPAIR MANUAL HAS FUEL PUMP DIAGRAM.

May 06, 2010 | 1997 Infiniti.5 Q45

1 Answer

No power to the fuel pump on a 1990 K5 blazer need a wiring diagram for that model to trace the power wire back from the fuel pump


CHECK FUSE + RELAY TO FUEL PUMP.IF THEY CHECK OUT GOOD.YOU HAVE PCM PROBLEMS. MAKE SURE PCM FUSE IS GOOD.YOU CAN BUY A HAYNES REPAIR MANUAL.IT HAS ALL OF YOUR ELECTRICAL DIAGRAMS.

Nov 10, 2009 | 1990 Chevrolet K1500

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