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Old 08-09-2012, 02:57 PM   #1
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Electrical/Starting issues 89 Southwind/Fleetwood

ARGH! Getting super frustrated.

Have replaced the starter, the alternator, the voltage regulator, the solenoid -- and have now bypassed the battery disconnect switch.

When I did the bypass, the coach ran great for a whole weekend! Came home to unload. When I started it up again to drive to the storage location, I lost 2 of my gauges - the voltage and the fuel. Got to the location, and now it doesn't want to start. I can get 1 or 2 tries off the ignition and then the battery is virtually dead.

Gave it a full charge -- same thing. Couple of weak efforts to start, then battery too low to continue and goes to "clicking". Battery is 1 year old. Took the battery in for testing -- and it shows proper cold cranking amps, and normal.

Any thoughts of what could possibly be wrong now???
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Old 08-09-2012, 03:12 PM   #2
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First thing to do is to check all connections to/from the battery to solenoid, etc. Then check all your grounds and clean everything well. Check to be sure you have a ground that's good to both body and frame and from frame to engine.(or from battery- to engine) Finally was the battery load tested? Often voltage will show OK until a heavy load is placed across it, then, it wont have the amps to run a heavy load. From what you describe it sounds like a bad battery. Gauge problems are usually grounding issues. Remember that grounds are the all instruments and systems back to the battery. Grounds are often overlooked as a potential electrical problem and they can serve up some weird electrical ghosts.
-Paul R. Haller-
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Old 08-09-2012, 05:06 PM   #3
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Yes.. like Paul said... grounds!

If you have a good battery but are only getting one or two good cranks from it, it almost has to be a bad ground connection.

Mine is like that - I'm regularly chasing/checking my ground connections. My genny refuses to start without a perfectly good ground.
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Old 08-09-2012, 07:33 PM   #4
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Tritto- check all your ground connections. Undo them, clean, replace.
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Old 08-14-2012, 02:05 PM   #5
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Ok -- how many grounds will I have? One on the battery, obviously.
But will the relay, voltage regulator, and disconnect switch have them as well?

Just wire brush clean? Or do you recommend new wires?
I was thinking of changing my battery cables entirely...
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Old 08-14-2012, 07:42 PM   #6
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Look for a broken grounding strap. Probably between the frame and the engine. Try using your jumper cable between the frame and the engine.
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