1975 Eldorado temperature sending units
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500, 472, 425, 368 Discussion, 1975 Eldorado temperature sending units in Cadillac Engine Technical Discussion; Upper radiator hose blew by ignition cap causing fire in front of engine. Three wires burnt. One goes to the ...
  1. #1
    Thomas E Burke is offline Cadillac Owners Member
    Automobile(s): 1975 Eldorado
    Join Date
    Dec 2013
    Posts
    2

    1975 Eldorado temperature sending units

    Upper radiator hose blew by ignition cap causing fire in front of engine. Three wires burnt. One goes to the HEI cap the other two I believe go to the temperature
    sending units. The two colors of the wires are green and orange. Which goes where?

    Thanks for any information!

    Tom Burke

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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
    Join Date
    Jun 2004
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    Woodstock Ill.
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    Re: 1975 Eldorado temperature sending units



    I moved your thread to the engine forum where I think you may get more help.

  4. #3
    bluegrill is offline Cadillac Owners Member
    Automobile(s): 1975 Coupe DeVille
    Join Date
    Oct 2012
    Posts
    40

    Re: 1975 Eldorado temperature sending units

    Thomas,
    According to the wiring diagram in the 1975 service manual, the wire to the dist cap is pink, the wire to the coolant sensor is dark green and the engine temp sensor is light green.

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