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Thread: Looking for '87-'93 Mustang Clutch Safety Switch Pigtail

  1. #1
    Senior Member Carlos C's Avatar
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    Looking for '87-'93 Mustang Clutch Safety Switch Pigtail

    Greetings:

    I have the Ron Francis chassis wiring harness, which only has the two light blue wires for the clutch safety cut-out switch, and I'm using the donor's OEM pedal box and clutch switch from an 1988 Mustang. This switch has two connectors, both which are normally open - one to prevent engine start unless the clutch pedal is depress (the feature I need, which is incorporated into the RF harness), and the other is to prevent engine over-revving while the cruise control is on (a feature which I won't need). Therefore, I only really need one connector, but will take both, if that's the only way I can get them. Basically, I'm looking for the OEM style pigtail for this switch. There are companies which still make and/or sell the switch itself, but none (including Ron Francis) which has the pigtail).

    The prongs on the switch are surrounded by plastic, which prevents the use of typical electrical connectors, including the spade type. Short of attempting to get a soldering gun in the switch and hoping that I'm able to perform a good job soldering the wires to the prongs, I've basically wasted my money on this switch. I understand that I could use the RF wires for the tranny's neutral safety switch, but I'm not crazy about that feature, especially when it's the only one. I'd rather have to depress the clutch in order to start the engine.

    If anyone has this pigtail, and would not mind parting ways with it for a fair price, please let me know. I've attached photos of the switch itself, and it installed on the pedal box.





    Thanks in advance,

    Carlos
    FFR Coupe #0635; Ford 347ci, Tremec TKO500, 8.8 rear end w/ 3.27:1 gears, Cobra/SVO brakes

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    I have one. Freshly picked from the boneyard, I grabbed two you are welcome to the other. Shoot me a pm with your address.
    Ken

  3. #3
    Senior Member Carlos C's Avatar
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    Ken:

    Thank a lot! Can't wait to get my hands on that pigtail. PM sent.

    Carlos
    FFR Coupe #0635; Ford 347ci, Tremec TKO500, 8.8 rear end w/ 3.27:1 gears, Cobra/SVO brakes

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    I know this is opening an old thread but that explains exactly what I need.
    I could use one pigtail for the neutral safety switch.

  5. #5
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    I think it might be a Ron Francis PG-053, but I'd double check that.

    Earl
    1st Speedstar in Canada 31 March 2023.
    Built by me 302 engine, AOD trans, 3.55 IRS.

  6. #6
    FFR MKIII builder/owner
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    In a pinch I think you can use 1/4” spade connectors.

  7. #7
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    I am waiting for a reply from Ron Francis.
    Thanks.

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    I am waiting for a reply from Ron Francis.
    Thanks.

  9. #9
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    Quote Originally Posted by herb427sc View Post
    I am waiting for a reply from Ron Francis.
    Thanks.
    Not an expert here but I think I'm correct that the existing harness has two plugs that fit into the shown switch assembly, each slightly different from the other, and that you only need the one. I have a .PDF copy of the Motorcraft master pigtail assembly catalog to refer to but need a photo of the original one to attempt an ID.

    Earl
    1st Speedstar in Canada 31 March 2023.
    Built by me 302 engine, AOD trans, 3.55 IRS.

  10. #10
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    Quote Originally Posted by narly1 View Post
    Not an expert here but I think I'm correct that the existing harness has two plugs that fit into the shown switch assembly, each slightly different from the other, and that you only need the one. I have a .PDF copy of the Motorcraft master pigtail assembly catalog to refer to but need a photo of the original one to attempt an ID.

    Earl
    I never had an original. The pedal box I have did not have the pigtail.
    I ordered a cs-02 and a p-053 from Ron Francis.
    Thanks for your help.

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