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Old 10-21-2013, 08:31 PM   #31
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thanks to pedrodasdas and others I was able to diagnose and repair a faulty isolator relay problem.

Additional technical info is posted in the thread:

Part number Isalotor Relay
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Old 10-26-2013, 06:13 PM   #32
Robert Mayberry
 
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Solera not charging on engine

Hi,

In trying to figure out what is wrong I read this thread. Very helpful but I'm still not quite sure what is going on.

Here is where I'm at:

1. Coach batts at B on the picture are at 12.4 V with engine off and with engine on. And coach amps stay at 0.00 with engine running.

2. Chassis battery at Point A on the picture above is 14.2 with or without engine running.

3. Chassis batt is 14.2 under the hood with or without engine running.

4. I hear the click of the relay after about 90 seconds.

5. I have a battery monitor which gives me readings on coach volts, amps and per cent charged.

6. With engine on and off am getting three lights on the panel over the frig which I believe tells me the coach batteries are not being charged.

Do you think that there is something wrong with the chassis charging system? From what I've read in this thread I should get 14.8 V on the chassis side and all I get is 14.2.

Thank you.

Bob
2011 Solera (2010 chassis)
San Francisco
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Old 10-26-2013, 10:30 PM   #33
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I question the accuracy of your instrumentation, 14.2 on an idle chassis battery is quite high unless you have a battery tender connected. Remember its a timed event for the alternator to parallel in coach batteries to charge also. If you hear the solonoid pick up and no voltages change, it could very well be defective. I'd first confirm the voltages though. Whats it do on shore power? 14.8 in most batteries is a touch high.
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Old 10-27-2013, 11:15 AM   #34
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To Robertmayberry,

My isolator was also clicking fine but not working.
Easy to verify.
After the click, you should have the same voltage on either side of the isolator.

Pierre
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Old 10-27-2013, 12:57 PM   #35
Robert Mayberry
 
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Aha, then that's it. It clicks but the coach side stays at 12.4 even though the engine/chassis side is 14.2.

Vince, the engine side voltage is 14.2, not 14.8. I get these readings with my electrical hand held tester as well as the battery monitor I had installed on the coach.

Thank you.

Thank you.
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Old 10-27-2013, 01:03 PM   #36
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If you really want an original Cole hershey (according to the web review, they are the best), retail price at NAPA Canada was $145. But if your are friend enough with the clerck, you will get it around $65.

NAPA carries cheaper one but remember to take a 200 amp.
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Old 10-28-2013, 12:04 PM   #37
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Available in US on line for 41.96. Google cole hersey 24213.

Mine came thru partdeal.
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Old 11-06-2013, 08:17 PM   #38
Robert Mayberry
 
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Solera not charging on engine

Here is the rest of my story.

Went to dealer today. He had that relay on the shelf. $32. $100 for an hour labor and was on my way and charging at 14.2 V. I'm a happy camper again.

Point Reyes for Bloody Marys and breakfast tomorrow on the beach. Most gorgeous spot in the world. Well, that's just my opinion.........

Bob
2011 Solera
San Francisco
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Old 11-06-2013, 10:28 PM   #39
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I'm glad you solved your problem.

I'm seriously thinking asking your President for the status of economic refugee

Pierre
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