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Old 08-13-2017, 03:50 PM   #1
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Monitoring Panel/Water Pump

I have an 1989 Sportcoach Pathfinder DL S. I have had issues with the monitoring panel (switch for tank info and water pump). The display sometimes lights up but fades out. Yesterday I had it all working including the water pump. Then.....today its not. Need some ideas. Today the display lit up for a bit but faded and the pump did work at all. Bad ground? Is this running off the coach batteries? Not enough juice in these batteries? Any ideas would help.
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Old 08-13-2017, 04:56 PM   #2
Join Date: Jun 2015
Posts: 62
I have a rig of the same era (1987) and had the exact same problem with a Jensen monitor panel. My solution was to spray all the switches with contact cleaner-2 years later and they're still working perfectly. In my situation I had to drill the rivets on the panel cover to get to the switches.
1987 Establishment
P30 chassis 7.4L 454 V8
Rochester Quadrajet carb
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Old 08-14-2017, 07:17 PM   #3
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Thanks for the feed back. No luck. Now the display doesn't light up at all. There is a black and yellow wire coming out of the display and there were two red wires (looks like they go back to the pump). I have a wiring diagram but all it shows is the yellow going to the pump. Black is the ground. Does the black go back to the pump too or ground on the chassis? Thoughts? Last question. Is there a fuse box for the headlights, turn signals, dash lights, etc.. I have search everywhere
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panel, water, water pump

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