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David Sturm Posted on Mar 03, 2020
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1990 plymouth grand voyager, acts like a bad alternator but replaced 3 times, replaced control module once. still drains battery.

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CJ Rock

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  • Master 4,429 Answers
  • Posted on Mar 03, 2020
CJ Rock
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What is battery voltage with engine running? How long does it take to drain enough to prevent starting?

A 1990 Plymouth will likely not have parasitic power requirements. With ignition in off position the battery current should be zero (0.00 amps).

So using a current probe or shunt, with ignition switch in the off position, systematically remove fuses to identify the circuit draining the battery. Likely you'll find some after market add on (radio etc.) that is not installed properly.

Comment here with results and someone will assist further.

Mookie Mooks

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  • Expert 75 Answers
  • Posted on Mar 06, 2020
Mookie Mooks
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If you are running more amps in your car example SUBS more accesories battery will drain unless you put in a bigger alternator with bigger amperage , also you may not have the correct CCA rated battery for the car , and everytime you drain a battery you need to CHARGE on A CHARGER it is a myth ALTERNATOR after being drained charges the battery back up again it does not , very possibly as well your battery is stuffed they only have a life of about 3-4 years

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5 Related Answers

Anonymous

  • 324 Answers
  • Posted on Nov 26, 2008

SOURCE: Transmission Control Module

the modules are universal, they are not car specific, and yes it is located in your main fuse box under the hood, it is rectangular and says fuses on it..... the inside of the lid should tell you what is for what.

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Anonymous

  • 170 Answers
  • Posted on Feb 07, 2009

SOURCE: 1998 Plymouth Voyager does not shift to 3rd gear when driving,3.3

It's in limp home mode. You'll have to check wire connections and electronic controls. If it has a vacuum modulator you can remove it and look for trans fluid on the vacuum hose side (meaning ruptured diaphram). Double check the parts you replaced as well, especially if they were used parts. My dad went through three speed sensors in one year on his Caravan. You should drop the pan after checking other components. It could be a bad relay, shorted module or wire. The three speed transmissions are much more reliable than the four speed overdrive transmissions but with age and miles things can go wrong and parts will wear out.

motor1258

Mike Butler

  • 6674 Answers
  • Posted on Apr 11, 2009

SOURCE: 1998 plymouth grand voyager cruise control relay/fuse location?

Check under hood in box marked fuses & relay, on drivers side and look under cover of it for I.D.

Anonymous

  • 523 Answers
  • Posted on Oct 30, 2009

SOURCE: 1996 Plymouth grand voyager se-need diagram

The BCM is located on the drivers side under the the steering column. It is behind the fuses and to get to it you have to remove the bash board plastic, than a pice of metal and than you have to remove the fuses box. It will take you approximately 20 min to remove everything. Once you remove the BCM you need to take note of the Part Number P/N. It has to be the same P/N on the replacement BCM. You can use any BCM from years 1996-2000 but make sure the electrical configuration is the same as yours (Power windows, alarms, etc.). I bought my BCM on the junk yard for 35 dollars and my car works perfectly.
I hope this may have assisted you,
Tom

Patrick Rayome

  • 1757 Answers
  • Posted on Mar 03, 2010

SOURCE: diagram of firing order for 1990 plymouth grand

My apologies for the delayed response.
I am going back to answer - unanswered questions. I have only been on this site for the past 4-months. Questions Posted have exploded (+55%) since joining.
I do not know if you still need this information, but I am answering it either way.


I do not know if you have the 2.5L (4Cyl) or the 3.3L (6Cyl); however I have included both below.

For the 2.5L (4Cyl):
Firing Order:
1-3-4-2
Cylinders:
(back of engine)
1-----2-----3------4
(front of engine)
Distributor:
.....(back)
.....1...3
(+).........(+)-screws
.....2...4
.....(front)

For the 3.3L:
Firing Order:
1-2-3-4-5-6
Cylinders:
(back of engine)
1------2------3
4------5------6
(front of engine)
Ignition Coil:
(back)
6---3
4---1
2---5
(front)

Again my sincerest apologies....

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

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What are the specific Battery connections ob a 1990 Plymouth Grand Voyager LE 3.3L V6 MPI ?

Hi Rich, I'm Al with Big A's Auto Repair
Rich, I'm not sure what you are asking. Battery connections are Red for Positive and Black for Negative at the Battery itself. The Red cable will also run to the alternator. The Black will connect to the frame and the engine block. If you need further assistance go to my website. Have an awesome day Rich.
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Low voltage check gages

88 Plymouth Voyager had a voltage regulator built into the power control module... PCM... these go bad and to rectify this issue you have two choices... buy a new PCM or take your vehicle to a specialty alternator/starter shop (a GOOD one) and have the voltage regulator built back into the system... there is a kit for this... can you do it. maybe
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Why does my 1997 Plymouth Voyager shut down after driving for about 20 minutes ?

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Where is it located . where is the a/c relay located on 1990 plymouth voyager

It's way up under the dash on the interior firewall behind the junction box and BCM (Body Control Module) - drivers side. Due to where the relay is placed in this year Chrysler Minivan it takes a lot of labor and time to replace.

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Describe your 1990 plymouth grand voyager Problem: while driving,van surges as if its not getting enough fuel. It only surges when gas peddle is barely pressed. Have replaced fuel pump as well as filter

I have had same problem with my 1990 voyager .First have you retrieved the fault code ,by turning the key off and onwithin 5 seconds , 5 times ending up in on position ,then counting the flashes of the engine light. Procedure and codes are readly available online at this sight
I am 99 % positive you will find map senor is bad and needs to be replaced its located on the back of the manifold it has a three wire plug going to it it will cost under $40.00
they go bad quite often
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On a 1990 Plymouth Grand Voyager what is the block that the brake lines go into on the drivers side rear?

It has to do with the load leveler, which is nothing but trouble trying to get the back brakes to work right. If you are having a problem getting good brakes to the back, it's not a bad idea to by-pass this block.
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Where is the voltage regulator

inside the alternator, you replace the alternator if the battery light is on and you verified you have 12v at the big wire on it.
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90 plymouth voyager

it could be a bad battery or you could have gotten a bad alternator.but if the battery is no good it d=wont charge the alternator.
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