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Volts 1/Volts 2/ Auxilliary switch

Discussion of batteries, chargers, wiring, generators, distribution panels, battery switches, etc.
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Scurvy Dog
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Vessel Info: 1979 Carver Mariner 28 twin 220 HP Crusaders V-Drive

Volts 1/Volts 2/ Auxilliary switch

Postby motolandbill » August 12th, 2014, 10:27 pm

I have a 1979 Carver Mariner 28. It's in EXCELLENT shape no hack jobs it's been maintained properly it's whole life. The ONLY issue I am having is when I switch the auxiliary switch on either control console to "Volts 1" I get no fuel tank reading for that engine but "Volts 2" works fine. I have already done all of the obvious things... Cleaned leads and plugs, looked for any disconnections.... Is this possibly a battery connection issue? I'm lost. Everything else works as it should. Maybe fuel sending unit? I can monitor the fuel knowing I keep equal amounts in both tanks (actually I always put a little extra in the tank that won't show the level to be safe... ) I just want my old boat to work 100% correctly. HELP! :help:

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Vessel Info: 1986 36 Mariner 3697
Mercruiser 454's
Location: Kenosha, WI

Re: Volts 1/Volts 2/ Auxilliary switch

Postby Great laker » January 20th, 2015, 1:09 pm

Did you test the sender on the fuel tank in question?
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Re: Volts 1/Volts 2/ Auxilliary switch

Postby Lyndon670 » January 20th, 2015, 1:15 pm

Easy test. Switch the wires from V1 to V2 on the back of the gauges. This will tell you if its the sender, or at the least on that side.

Next test is to switch senders, again easy test.
2000 Carver 506
Volvo 7.4TAMD
Queens Cove Marina
Georgian Bay, Ontario

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