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Old 06-29-2022, 08:25 AM   #1
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Axis Power Problems

Problems of no power to chassis. Ignition, headlights, dash lights, nothing.
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Old 06-29-2022, 11:00 AM   #2
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Have you tested the chassis batteries?
Please explain more details so better help may be offered.
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Old 06-29-2022, 01:11 PM   #3
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Plug it into shore power or start the generator and let it run for an hour or so.

The Axis has bi-directional charging and the charging house batteries should charge the chassis battery.

If you don't know, the chassis battery is under the fold out desk in front of the passenger seat. You need to remove the desk to get to it for replacement.
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Old 06-30-2022, 08:05 AM   #4
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Originally Posted by Ray,IN View Post
Have you tested the chassis batteries?
Please explain more details so better help may be offered.
Replaced all batteries
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Old 06-30-2022, 08:12 AM   #5
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Have you tested the chassis batteries?
Please explain more details so better help may be offered.
All 12v in the living area works. Replaced all batteries, replaced BIM. From the drivers seat forward everything is dead. No ignition, no dash lights, no headlights, nothing.
After replacing batteries it cranked once, later nothing. Presently checking all fuses.
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Old 06-30-2022, 08:14 AM   #6
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Originally Posted by twinboat View Post
Plug it into shore power or start the generator and let it run for an hour or so.

The Axis has bi-directional charging and the charging house batteries should charge the chassis battery.

If you don't know, the chassis battery is under the fold out desk in front of the passenger seat. You need to remove the desk to get to it for replacement.
The generator will not respond, nor will the emergency start.
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Old 06-30-2022, 01:37 PM   #7
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What chassis.. ? What year ? ? If you have battery disconnect switches by the door.. then they are most likely bad.. also the wires to them get very corroded over time and need cleaning up.. the way to test.. is use a jumper wire or cables.. if room and jump one side of selenoid to the other.. if round type.. replace.. if black box style then they can be taken apart and cleaned the contacts.. 1st use cell phone with camera and flash and record all wires 1st and then label.. use all safety precautions.. that means no power.. pull neg off all batteries. Both CHASSIS and coach.. no shore, gen or solar.. it is tight in there and you might short out wires and cause fire..
Good luck and keep us posted
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Old 06-30-2022, 02:55 PM   #8
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The generator will not respond, nor will the emergency start.
The generator is powered by the house batteries. There is a generator circuit breaker next to the house battery. Hard to see because it's tucked in on the side of the battery box.
Hard to see but easy to trip, by hitting the button while sliding the batteries in.

Emergency start may be powered by the chassis battery, which has no power. The emergency start switch closes the BIM solenoid.

I would recheck the chassis battery connections. There is no fuse or breaker for the Ford chassis power.
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Old 07-01-2022, 06:33 AM   #9
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Problems of no power to chassis. Ignition, headlights, dash lights, nothing.
Well one problem solved. My battery charger was bad, said chassis battery was charged when it was not. Borrowed one charged and it cranked right up.
Now on to why it being plugged in and not being charged
See if it cranks this morning, if so great, if not Iíll be trying to find whatís drawing it down and why it not charging from shore power.

Man, I love doing this instead of being on the road.
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Old 07-01-2022, 07:06 AM   #10
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Your BIM handles the chassis battery charging while on shore power.

You said you replaced it but didn't say why. Some came from the factory wired wrong, so that's where I'd be checking.
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