Question about 1998 Plymouth Voyager

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My cooling fans on my 98 plymouth voyager don't work. While troubleshooting the problem I see in the electrical wiring diagram that the PCM controls the fans among other things. How do you program a new PCM to my VIN number?

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Before trying that there is a simple test for the fan. While running the engine turn on the ac if the fan comes on there is nothing wrong with the fan or the computer. There is a relay switch mounted on the driver side under the fans that is the most likely culprit.

Posted on Nov 07, 2010

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1995 Lt1 Camaro cooling fans operate like this; Cooling fans (2 fans) come on 30 seconds after start up on high, stay on while driving, and turn off when brakes are applied. Stock car, no mods.


Did you have it checked for DTC'S - diagnostic trouble codes ? The cooling fans are controlled by the PCM - engine computer , with the use of three relays ,located in the under hood electrical center . Do you know how to do electrical testing ?
Relay Driven Dual Cooling Fan Diagnostics Looking at wiring diagrams i don't see any connection between the brakes an cooling fans . Checking for DTC'S an doing electrical testing of control circuits from the PCM , Power circuits from the fuse / relay box . Checking grounds an pulling relays ,check for corrosion .

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View wiring diagrams here http://www.bbbind.com/free_tsb.html

ECM Inputs and Outputs Diagnosis


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1 Answer

Im looking for a transmission wiring diagram for a 95 plymouth voyager se with the 3.3l engine


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Nov 28, 2015 | Plymouth Cars & Trucks

1 Answer

98 voyager headlights always on


You may need to find a wiring diagram to troubleshoot this - - the body computer is involved since it controls the high and low relays.
Do the lights go off if you unplug the relays ?

Aug 28, 2012 | 1998 Plymouth Voyager

1 Answer

The AC condenser fan on my 1990 Plymouth Voyager does not switch on even though the compressor clutch engages and condenser fan runs fine when connected directly to 12 volt source. Would appreciate any...


You're going to need a wiring diagram to be able to follow the logic of the cooling fan circuit. Working on electrical without a diagram is like going to a strange town without a road map....won't take much to get lost.

Aug 28, 2011 | Chrysler Voyager Cars & Trucks

4 Answers

The cruise control and horn quit together, but there is no fuse marked as such.


The horn is protected by fuse #9 (20 Amp), but my diagrams don't show which fuse
controls the cruise control.
Your Voyager has 2 fuse panels - one under the driver's side instrument panel (just to the right
of the parking brake pedal), and one next to the battery, under a plastic cover..
archaeology_56.jpg


Fig 1 - driver's side interior fuse panel - note proximity to parking brake pedal - 99 Plymouth Voyager

archaeology_57.jpg

Fig. 2 - Engine Compartment fuse panel - note proximity to battery - 99 Plymouth Voyager

May 17, 2011 | 1999 Plymouth Voyager

1 Answer

Where is the PCM on a 98 plymouth voyager located


The pcm is located on the drivers side in behind the fuse/relay panel against the fenderwell. You will have to remove the screws holding the fuse/relay panel, and move it out of the way to get to the pcm if you decide to remove it. Make sure to disconnect the negative cable from the battery first before you do any type of work. Also make sure to ground yourself to the van body before you handle it. Without doing this will damage the pcm, (static electricity). hope this will help you.

May 13, 2010 | Cars & Trucks

1 Answer

Cooling fan works when hot wired relay checks out ok no trigger to relay need wiring diagram


Your fan thermostat is bad. It is probably mounted to the radiator.
Good luck.

Mar 29, 2010 | 1991 Plymouth Voyager

2 Answers

Where is the PCM on a 98 plymouth voyager located


its under the hood on the left inner fender

Mar 23, 2010 | 1998 Plymouth Voyager

1 Answer

Where on the intake is the fan control sensor for a 1997 grand voyager


I am assuming you are meaning cooling fan. Your cooling fan is operated by your vehicle computer, via a coolant temp sensor. Not coolant temp sender!!! The sender goes to your light or gauge. The sensor goes to the PCM, which operates your cooling fan. The first thing to do is check your fan to see if it works. Unplug fan and wire two wires, one to one side of fan plug in, one to the other side of plug, one goes to positive battery terminal, one wire to negative. If fan comes on, you have a bad sensor or relay. If fan does not come on, replace fan.

Sep 25, 2009 | 1997 Plymouth Grand Voyager

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