Question about 2004 Chrysler Town & Country

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What color are the wires from the ECM to the coil pack and which one are the driver for coil b

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  • Chrysler Master
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The ASD relay supply's power to the ignition coil's an the PCM controls them ! The ASD relay is in the integrated power module , under the hood ! It powers fuel injectors also an O2 sensors !

Posted on Apr 04, 2015

Testimonial: "I need the signal wire from the computer that tells it when to fire the spark, I cant seem to find a wiring diagram for the ecm to the coils anywhere and I was hoping someone would know which wires where the trigger wires for coil b"

  • Anonymous Apr 04, 2015

    "I need the signal wire from the computer that tells it when to fire the spark, I cant seem to find a wiring diagram for the ecm to the coils anywhere and I was hoping someone would know which wires where the trigger wires for coil b"

  • Jeff Armer Apr 05, 2015

    You can find wiring diagrams at www.bbbind.com click on technical information , then on technical service bulletin's an wiring diagrams , then on the next page you'll see END-USER LICENSE AGREEMENT , go to bottom of the page an click on I agree , the next page click on wiring diagrams ,then enter your vehicle info .

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  • Chrysler Master
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The power scorce isn't the ECM .Test another coil for 12 volts key on run the configuration of the wires in side the connecters will be the same .Then see what is hot in coil B connector if you have the same voltage and tests the same then the coil pack is likely the problem but test the grounds on B and check the main wire OHMS before you start spending money

Posted on Apr 04, 2015

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Posted on Jan 02, 2017

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I HAVE REPLACED THE COIL PACKS AND THE COMPUTER ON MY 2006 F150,BUT I STILL GET AN ERROR CODE OF 352.WHY IS THIS ?


P0352 - Ignition Coil B Primary/Secondary Circuit Description: See the description for DTC P0350. Possible Causes: See the possible causes for DTC P0350. Diagnostic Aids: See the diagnostic aids for DTC P0350. Application Key On Engine Off Key On Engine Running Continuous Memory Coil-on-plug (COP) ignition testing - GO to Pinpoint Test JF . GO to Pinpoint Test JF . Coil pack ignition testing - GO to Pinpoint Test JE . GO to Pinpoint Test JE .
P0350 - Ignition Coil Primary/Secondary Circuit Description: Each ignition primary circuit is continuously monitored. The test fails when the powertrain control module (PCM) does not receive a valid ignition diagnostic monitor (IDM) pulse signal from the ignition module (integrated in the PCM). Possible Causes:
  • Open or short in the Ignition START/RUN circuit
  • Open coil driver circuit
  • Coil driver circuit shorted to ground
  • Damaged coil
  • Coil driver circuit shorted to VPWR
Diagnostic Aids: Use the 12-volt non-powered test lamp to verify START/RUN voltage at the ignition coil harness connector.
Check the coil driver circuit for open, short to VPWR, or short to ground. Application Key On Engine Off Key On Engine Running Continuous Memory Coil pack ignition testing GO to Pinpoint Test JC . Coil-on-plug (COP) ignition testing GO to Pinpoint Test JB . Without me testing , it's hard to say what you got going on ! Coil packs ? What engine does it have ? 5.4 L ? should have coil on plug ignition .

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1995 ford ranger onlu sparking to 3 cylinders


The coils are fired by the ECM, check all the wires to the ECM from the coils and make sure the signal is getting through and you don't have a wiring issue at the engine firewall connector on the driver side firewall.

Jun 05, 2016 | 1995 Ford Ranger Supercab

1 Answer

Why no spark at coil pack


you will have to check for power and ground and reference at the coil pack. if these are good then the coil pack is no good. check for codes in ECM there could be a crank code set. if one of the voltage checks is bad then you will have to find were the lose of voltage is and repair. note the ground for the coil circuit is controlled by the ECM with what is called coil drivers.

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Car is idling rough all coil packs have been changed along with spark plugs


Dont get another harness. If you are using Autozone supplied coil packs, the problem is most likely the coils from Autozone. I have went through this exact same thing before. I changed the coild because one had a burn mark on the boot between the plug and the coil pack. I noticed it when changing spark plugs. The new coil from Autozone made the vehicle struggle on take offs and idle rough and the vehicle had no power. I installed another coil from Autozone again which was supposedly a better model and costed more. The vehicle ran a little smoother but the rough idle and small misfire was still there. I installed another coil from the dealership and the problem was fixed immediately.
I also replaced one of the coil connectors for a different cylinder but only because i broke it when disconnecting the coil packs to remove the spark plugs.
And when I installed all my coils and the new one from Autozone, I used dielectric grease on all the connectors. But the rough idle and power loss was immediate following installing the new coil from Autozone.
Beware if you are using coils from another part store because many part stores get their parts from the same source.

Jul 18, 2012 | 1996 Volvo 960

2 Answers

I have a 2002 ford taurus SE, coil pack has been replaced because Advanced Auto ran a diagnostic and said my coil pack was bad. Well its not and im still not getting fire on #3 and #4 spark plugs. changed...


You visually checked for spark and there was none? #3 and #4 show to be on same coil, each coil fires two plugs. Battery has a full charge? The red wire at coil pack is voltage, it has good voltage? Any applicable trouble codes?
The yellow wires with different tracer colors are grounds controlled by the pcm, one ground for each coil. Did you check voltage on ground wire engine cranking? I can't rule out a faulty coil driver in pcm. It's possible your old coil pack damaged the coil driver in pcm? If that is the problem, hope it didn't hurt the new coil pack.
ignition coil-rpv3jsqdi3m52f0zwyccrrib-3-0.jpg

Jul 10, 2017 | 2002 Ford Taurus

1 Answer

Where is the ECM located on a 1993 Isuzu Trooper?


If you don't have a coil pack working, unplugging the ECM will do nothing to reset the coil pack. If you have power present at the plug, you need a new coil pack.

Jul 28, 2009 | 1993 Isuzu Trooper

2 Answers

No fire to one of the coils which supplies 2 plugs engine light on and running on 4 of 6 cly.


Several possibilities. Internal coil failure, wiring or connection problem, computer is not functioning properly to energize the coil pack. Which two cylinders? I gather the Check Engine light scan reveals misfire codes (DTC) P030? and P030?
Check out the wiring diagram:
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dde5042.jpg 78bd4d6.jpg Problem could be here or at the ECM connection. If not, then the coil pack has gone bad.

May 11, 2009 | 2001 Hyundai Santa Fe

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