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  1. wmburns

    Coyote swap alternator wiring

    It would help to KNOW: Is the PCM expecting to interface to a PCM controlled alternator? Is this alternator's regulator expecting to receive a signal from the PCM? IMO you should EXPECT problems if the type of alternator doesn't agree with what the PCM is expecting. NOTE. If asking for an...
  2. wmburns

    Fuel issue 2000 v6

    It's unclear to me EXACTLY what connection and which pins you are testing. The initial GOLD standard test for the fuel pump is to test for initial key on power at the trunk mounted IFS switch. Use a test light that will "load" the circuit. It may be necessary to cycle the key on/pause/off...
  3. wmburns

    Electrical 2003 Mustang GT - Brake and Blink Fuses Blow

    IMO not likely. Should be one of the last things looked at. NO! The problem has to be down stream of fuse F2.41 based upon your reported symptoms. Since it also blows UPSTREAM fused, likely this is a dead short to ground. If you want to know for certain, then replace all of the fused except...
  4. wmburns

    2000 Ford Mustang Gt 4.6 - Waterpump

    Let me ask you this. How many Mustangs with 4.6 modular motors? How many other cars/trucks do you think Ford makes also with Modular 4.6's? Millions? How many of those motors came from Ford with a "performance" water pump? I recommend getting a high quality "stock" unit. Anybody capable of...
  5. wmburns

    Transmission Replacement Question

    The difference in the number of OSS teeth can be handled via re-programming just the same as a rear end gear ratio change. However when considering a salvage yard unit why not just go with a "plug and play" unit?
  6. wmburns

    p0453 code

    Do you have an ODB2 scanner? It would help the trouble shooting to know what the PCM "thinks" the FTP value is. ForScan ODB2 scanner w ELM327 USB https://www.stangnet.com/mustang-forums/resources/forscan-odb2-scanner-w-elm327-usb.57/ P0453 - FTP Sensor Circuit High Voltage Detected The PCM...
  7. wmburns

    Engine 2000 ford mustang gt

    Is this an automatic? It looks red. Check to see IF this is transmission fluid. IF it is transmission fluid then the problem could be something as simple as a rotten radiator.
  8. wmburns

    Crown Vic-Mustang GT engine swap

    IMO there is no such thing as a low mileage Police motor. Why? Because Police cars sped sooooooooooooooooo much time idling that mileage is a poor indicator of wear. That's why many police cars have a time based Hobbs meter. For these reasons I would recommend staying away from any motor...
  9. wmburns

    2000 Ford Mustang Gt 4.6

    There's an updated version of the motor to firewall heater hoses that have a restrictor orifice. This reduces the floor of coolant through the heater core. How about the quality of the body grounds. Clean and tight? No rust? How about between the motor and battery ground. Low voltage drop...
  10. wmburns

    CCRM, PCM, or something else?

    It's important to keep the battery fully charged during trouble shooting. Also don't over look the fact that some of the DTC's might be caused by some of the trouble shooting steps performed. For example if testing with the IC disconnected it should be expected to get PATS messages. It may be...
  11. wmburns

    2000 Mustang V6 wont start

    There's a heavy ground wire that runs from the radiator core support around the battery. This goes to a round single pin connector. This is the PCM and CCRM ground. If this connector is accidentally disconnected this would CAUSE your exact symptom. Here's some more information. 1996+ Crank...
  12. wmburns

    Engine Cant figure out drive pulley's???

    Can you post a picture of the belt routing. I'm especially interested to see the idler pulley near the alternator on the right side of the motor. Have you done a through inspection of the crank damper to see if the outer ring is either our of round from the inner ring or has slipped out of...
  13. wmburns

    2000 GT Head Gasket - Leaking Coolant; mileage = 71,000ish

    I just recently dealt with a similar problem. After replacing the intake manifold gaskets twice and still having a small coolant leak, I wasn't going to to the job again without doing something different. Note, I found that once you done the same job several times you get MUCH faster at doing...
  14. wmburns

    CCRM, PCM, or something else?

    Just wondering. Have you even read this thread before posting? Are you thinking just because the solution to YOUR problem as a new CCRM that it's the solution to everyone else's problem? This problem is not the CCRM as all of the outputs of the CCRM have been confirmed with real tests (power...
  15. wmburns

    Sooooo just curious on your guys opinion

    Try RockAuto. I have found several repair pigtails there. Also try searching car-part for salvage yards in your area. Many salvage yards will sell the entire motor harness for a very reasonable price. Also note that a usable wiring harness doesn't have to come from a Mustang. A 2001+...
  16. wmburns

    No electrical power

    High current connections MUST be CLEAN and TIGHT. Seems short sighted to ignore a loose heavy current terminal. Plus consider that all of the individual wires in the BJB are under a single stud. So if stud spins this could cause the wires under the stud to be pulled out. Here's some...
  17. wmburns

    CCRM, PCM, or something else?

    From the picture it appears that only the insulation is damaged. If so, the only repair needed is to wrap with electrically tape or use liquid electrical tape. If you are going to repair using a butt connector, use the water proof version. Or learn how to solder. But again I wouldn't...
  18. wmburns

    No electrical power

    THIS IS WRONG!!! The head lights do not go through the CCRM. Soooooooooooooooooooooo If the head lights do not work, how could this be a CCRM problem? Not possible. The head lights are on a "always on" circuit. So if the head lights do not work and there's nothing in the car with power...
  19. wmburns

    No electrical power

    Just wondering. Do the head lights work? Do the brake lights work? You can't find a relay or fuse that controls everything because there really isn't one. With the exception of GROUND(s). Followed by the main fusible link.
  20. wmburns

    CCRM, PCM, or something else?

    The U1262 DTC code is huge. It points to a problem with the SCP communications network. Remember that the PCM and the cluster must exchange information at initial key on. Without this exchange the anti-theft (PATS) system will never "prove out". I now believe that the PCM is actually alive...
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