Started by yota2000, October 29, 2016, 08:40:37 PM
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Quote from: Bud Kennedy on October 29, 2016, 09:20:32 PMOn that old ranger most likely the dash switches are toggle switches. As I understand your issue you say from the fuse box to the switch you have 12VDC. From the dash switch to the device (i.e.) bilge pump you have no power? First question is . 1. have you checked the switch to see if it is operating? Measuring from the fuse box to the output of the dash switch you should still have 12 V. This would be the same for either the Bilge or livewells. The bilge switch is definitely a 3 position switch, I can't remember if the live well is three positions. If you are getting a clean 12VDC on the output of these switches then you need to start looking for a ground wire that may be broken or just corroded.
Quote from: Bud Kennedy on October 29, 2016, 09:53:24 PMRanger is noted for using molex connectors as part of the wiring bundle. These can be a bit problematic over time. I am guessing both bilge pumps are not functional at this time. Running new wire to the pumps in not a big deal but it is a pain in the but getting down the wiring channels. Did you confirm that your dash switch is indeed a 3 position switch? I can go visit my boat tomorrow and photograph the wiring diagram and the write down the dash switches as I can't quite remember the switch types. The wiring for the most part is simplistic but unfortunately it is a bit of a jumbled mess when trying to sort it out. It does sound a bit like some gremlins are in there.
Quote from: bigjim5589 on October 30, 2016, 07:48:26 PMAre the bilge pumps designed to have a float switch on them? Perhaps that's why they don't work when your dash switch is in that left (auto) position. Without a float & water in the bilge to lift the switch, it may stay in the off position.