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THROTTLE POSITION SWITCH

Discussion in '1982-Present GM Diesel' started by JORGE, Apr 22, 2001.

  1. JORGE

    JORGE 1/2 ton status

    Joined:
    Jan 10, 2001
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    Location:
    VITORIA-GAZTEIZ(ALAVA)BASQUE COUNTRY,SPAIN
    Hello!
    The "engine service soon " light on my truck shines.Conecting the ALDL diagnostic conector to the ground,the 21 code appairs.This is the THROTTLE POSITION SWITCH CODE fault.When i go to check it out ,i can see the TPS is not there!!!.
    Maybe somebody removed it someday cause it was worn.So i don,t have TPS in my inyecction pump.I,ve found a three wire harness conector annuled,close to the alternator.It was wraping with adhesive paper. Is this the harness for the TPS?
    PLease let me know soon.
    Jorge,Spain.88´6.2 LH6 diesel Blazer
     
  2. NewK5Guy

    NewK5Guy 1/2 ton status

    Joined:
    Mar 2, 2001
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    Location:
    Alexandria, VA
    Most likely yes, that connector you say you found near the injection pump is the proper connector. Try replacing the tps and see what happens. They don't cost that much. The tps for my 92 Thunderbird only costs $40.
     

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