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  1. mustangmike6996

    1987 Mustang GT Mass Air Conversion Help

    Well, I have an update.... The engine harness was incorrect for his car. I located an 87 GT harness, added a Mass Air wiring extension, tied it to the PCM, got the harness laid in the car and the pump now works properly. I have to get everything cleaned up and put back together but I can get...
  2. mustangmike6996

    1987 Mustang GT Mass Air Conversion Help

    Here is the second portion of why I think the harness is incorrect... From the VIP/DLC connector the tan/green wire runs to the black connector by the booster. Then swaps to yellow/red. That wire then runs to the cruise control module under the driver side of the dash.
  3. mustangmike6996

    1987 Mustang GT Mass Air Conversion Help

    So, just a recap of the two current issues: 1- Low voltage to the fuel pump relay control: Dropping 8vdc between the firewall and driver kick panel. Possibly a pinched wire from previous work or on it's last leg since the dash was moved out when the EEC/Engine harness was replaced. I have not...
  4. mustangmike6996

    1987 Mustang GT Mass Air Conversion Help

  5. mustangmike6996

    1987 Mustang GT Mass Air Conversion Help

    The car was an auto GT, it is now converted to a T5. It has an A9P. He used a factory engine harness.
  6. mustangmike6996

    1987 Mustang GT Mass Air Conversion Help

    Unfortunately, I cannot find a 1987 Mustang GT engine harness to buy and test as a sanity check.
  7. mustangmike6996

    1987 Mustang GT Mass Air Conversion Help

    Thank you, I ran across that as well. It helped point me in a better direction.
  8. mustangmike6996

    1987 Mustang GT Mass Air Conversion Help

    Thanks for the schematics and diagrams. I have access to the factory site but it only goes back to 1991. I do not know where pin 22 wire runs at this moment, I need to pull the wire harness and physically trace it back. I am also unsure as to why the FP ground control wire runs back to...
  9. mustangmike6996

    1987 Mustang GT Mass Air Conversion Help

    He was under the impression that it was a direct drop-in harness. He bought it and did the work so long ago it is hard to remember the details. I'll have to look for the Ford engineering number/part number and see what year it came from if possible. So far, there are no pulled/unseated pins.
  10. mustangmike6996

    1987 Mustang GT Mass Air Conversion Help

    I believe you need to rewire to keep a good idle. I ran across this topic when looking up this issue. He did not repin the wire harness, so it was just a factory harness swap at this point.
  11. mustangmike6996

    1987 Mustang GT Mass Air Conversion Help

    That is what I was thinking as well. I dont see any missing grounds. I did find an 8 volt drop between the EEC power relay and the positive relay control wire. I think the failure is located at the firewall or under the dash. I have teh dash pulled away to trace the wire back to see exactly...
  12. mustangmike6996

    1987 Mustang GT Mass Air Conversion Help

    I wish he had kept the harness. I have an old OBD1 EEC Rotunda scan tool. I can pull codes but have not yet.
  13. mustangmike6996

    1987 Mustang GT Mass Air Conversion Help

    I am currently working on a friends 1987 Mustang GT that he converted to mass air and need some help with a fuel pump issue... Backstory: He swapped out a mass air engine harness and PCM after changing heads/cam/intake. I beleive the harness was from a 1989 Mustang GT but I am not 100% sure...
  14. mustangmike6996

    1969 Mustang Seats/1971+

    I thought I had an extra set of 1970 high back bucket seats that I was going to recover and replace the low backs in my 1969 fastback. I am taking a closer look and thinking that the high backs might actually be from a 1971+ My questions: Can I do anything to modify them to take the 1969/1970...
  15. mustangmike6996

    T5 Rebuild Help

    Thanks for all of the info guys. So far I have a much better understanding of what I need to do. I will need a counter shaft for a 3.35 ratio. I think the tooth count should be 34/31/23/15/15 for the counter shaft. PN 1352-077-052 I see they also offer a 37/32/23/15/14 but it looks like they...
  16. mustangmike6996

    T5 Rebuild Help

    Most are factory. Some are Liberty's Gear proshifted parts. I picked it all up for $75. Trying to build a good trans for my 69 fastback to swap the toploader out.
  17. mustangmike6996

    T5 Rebuild Help

    That's how I have it laid out and the bottom pic is how I bought it
  18. mustangmike6996

    T5 Rebuild Help

    The roller bearing has P/N Torrington DB-43932. The seller had everything organized and sectioned off in newspaper. This bearing was on the shaft. There was another container with a lot of roller taper bearings and needle bearings as we
  19. mustangmike6996

    T5 Rebuild Help

    The only marking I see is A2R012 tooth count is 31/29/22/15/14
  20. mustangmike6996

    T5 Rebuild Help

    Thanks guys. I have a mix of parts from NWC and WC. 2 main shafts have needle bearings and one is the grooved NWC shaft. I have syncros and blocker rings from a mix of both. The guy used to work at a trans shop so there is everything I need plus some extra I just need to figure out where...
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