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Thread: Gauges and senders

  1. #1
    Danhercules
    I bought some Auto meter gauges for my boat. I got the "Old Tyme" gauges. I love the look. They are an auto gauge. I was talking to somone, and he said that the senders I have on my block now wont work with the new gauges. He says they will be backwards. New senders came with the gauges, so I am gonna change them out anyway, but is this true? I have never head of this. I thought senders were the same.

  2. #2
    Hustler
    Use the senders that came with the gauges, some gauges will give you a fals reading if they are not matched to the sender. I have never heard of getting a backwards reading, just not an accurate one.

  3. #3
    hack job
    Originally posted by Hustler
    Use the senders that came with the gauges, some gauges will give you a fals reading if they are not matched to the sender. I have never heard of getting a backwards reading, just not an accurate one.
    YUP
    i have heard the same

  4. #4
    Senior Member
    Join Date
    Jun 2009
    Posts
    10,871
    I don't know about backwards but they may not read accurate. With any gauge you need the sender designed for the gauge.

  5. #5
    Nucking futs
    Dan ,the guy you asked was backwards.Not to bash anyone ,but always get a second opion on anything he tells you.Just been my expience.

  6. #6
    Danhercules
    Originally posted by Nucking futs
    Dan ,the guy you asked was backwards.Not to bash anyone ,but always get a second opion on anything he tells you.Just been my expience.
    Yea I asked you!!!!!!!!!! LOL
    He was the 2nd person I asked. He did not know.
    I was told by the 1st person, they will not work. I am almost positive he said somthin about being backwards. So, he is kinda right, CHANGE EM!!!!!
    Thanks for the replys, I thought a sender was a sender was a sender. I learneded somthin today!!!!!! I was gonna change em anyway, cause they are new. Thanks again.

  7. #7
    Moneypitt
    The person that said it will be backward probably tried to use "light" senders with gauges. The gauge senders increase continuity to ground as temp/pressure come up, thereby the gauge,(which is actually an ohm meter) registers higher readings. With "lights" the oil sender is grounded at 0 pres. and the light is on,(key on/engine off) when the engine starts the ground goes away and the light goes out, lose pres, and the ground/light come back. So if you tried to use a light sender on a gauge it would read highest at rest, and lower when running........That said, always try to use the senders that came with the gauges, even the same brand could have a different resistence to ground in a different production run..........Moneypitt

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