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Thread: 07 TBSS fan issue

  1. #1
    Potential Tuner
    Join Date
    Nov 2019
    Posts
    1

    07 TBSS fan issue

    So I?ve read the sticky on fan settings for the electric fan conversion. I?ve searched and I find info yet nothing seems to change what?s going on. Simply put no matter what settings I use for ect% my fans run all the time full blast.
    I?ve tried all different combos on the table with no change. Even ran all 0?s and it still runs 2 fans at high

  2. #2
    Tuning Addict blindsquirrel's Avatar
    Join Date
    Apr 2017
    Location
    Meridian MS
    Posts
    7,647
    Sounds like a wiring issue, but hard to say without a tune file to look at. Post the tune and show us what the relay wiring looks like.

    Did you DIY it or use a kit from somewhere? 2-relay with 1 fan for low and both for high, or 3-relay with both at 50% for low and both at 100% for high? Have you made sure the AC Pressure table has a '0' in at least the first cell so it's not commanding fans on at full speed all the time while you're busy looking at the coolant table? If you disconnect the ground trigger wires between ECM & relay(s) do the fans turn off?