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Open Roads Forum  >  Class C Motorhomes  >  Class C

 > Battery Disconnect Switch ??

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kioticoachman

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Posted: 09/17/21 04:17pm Link  |  Quote  |  Print  |  Notify Moderator

Have an older 2001 Coachman Catalina Sport. The Battery Disconnect Switch has an in-use and store switch. It is a Interellec BDO. The in-use selection does not engage, activate, or turn on. Just replaced the DC battery today with a New battery. Same results! Hope this helps?

Any an all assistance would be appreciated. Thank you very much. KK USAF 62-66

bobndot

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Posted: 09/17/21 04:26pm Link  |  Quote  |  Print  |  Notify Moderator

new battery must be fully charged for things to work put a separate charger on the new battery then try .

enblethen

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Posted: 09/17/21 05:21pm Link  |  Quote  |  Print  |  Notify Moderator

Battery connected corectly< polarity?
Did you try cycleing switch?
relay


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kioticoachman

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Posted: 09/17/21 09:33pm Link  |  Quote  |  Print  |  Notify Moderator

bobndot wrote:

new battery must be fully charged for things to work put a separate charger on the new battery then try .


Current battery voltage is 12.5V

kioticoachman

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Posted: 09/17/21 09:42pm Link  |  Quote  |  Print  |  Notify Moderator

enblethen wrote:

Battery connected corectly< polarity?
Did you try cycleing switch?
relay


Polarity is correct. Not sure on what/how you mean by cycleing switch as I have tried switching from use to store a number of times. Will check out that relay link you posted. Thanks for info sent. KK

enblethen

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Posted: 09/18/21 07:36am Link  |  Quote  |  Print  |  Notify Moderator

Pull switch from the wall, check for 12 volts DC
No power, check for blown fuse.
Cycling is operating from one function to the other and back. Like you did.

enblethen

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Posted: 09/18/21 08:09am Link  |  Quote  |  Print  |  Notify Moderator

Another way to test is to put a volt meter, set to 20 volt DC scale, between the two small terminals, have helper hold switch in one position. Meter should read voltage either positive 12 volts DC or negative, then have helper hold in other position. Meter should read 12 volts DC with opposite polarity.

bobndot

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Posted: 09/18/21 08:29am Link  |  Quote  |  Print  |  Notify Moderator

Make sure the connections on the relay solenoid are clean. The solenoids are not expensive, i would buy a new one and try it. Its a common enough fix in these systems, if that doesn't help, keep it as a spare. Its a good part to have on hand.

kioticoachman

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Posted: 09/18/21 09:33pm Link  |  Quote  |  Print  |  Notify Moderator

enblethen wrote:

Pull switch from the wall, check for 12 volts DC
No power, check for blown fuse.
Cycling is operating from one function to the other and back. Like you did.


Checked all the fuses that power the coach and all are good.

LittleBill

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Posted: 09/18/21 09:39pm Link  |  Quote  |  Print  |  Notify Moderator

if this is the unit im thinking of, it has a fuse itself on the solenoid itself, has that been checked and or does the led glow on the disconnect switch?





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