Shale Ridge Posted July 2, 2021 Share Posted July 2, 2021 We have a 95' RD688S triaxle that we use as a farm truck and I was working at fixing up a few annoying inconveniences such as the electronic malfunction light being on all the time because the coolant level sensor is not hooked up. It has not been hooked up at all since we got the truck and there is no obvious wire on the wiring harness that should go there... Could someone give me an idea of where to look on the harness? Maybe a picture? The number on the wire? This truck has the steel coolant reservoir up right in front of the windshield. Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/67201-95-rd688s-coolant-level-sensor-wiring/ Share on other sites More sharing options...
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