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Old 04-16-2016, 10:48 AM   #1
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Boom Sounds's Avatar
1991 25' Airstream 250
Oxford , Oxfordshire
Join Date: Jun 2007
Posts: 286
Images: 5
Battery solenoid replacement

Fitted one of these Surepower 200a solenoids to replace my temperamental stock solenoid on the back of the battery tray - seems to work well. Something occurred to me when I fitted it. Is that original solenoid grounded through its metal housing connecting to the rear of the battery compartment and then onwards to the main chassis woven ground wire? I think it is so if anyone is experiencing intermittent issues it might be that connection which is poor and causing charging problems. I fiddled around with the wires (be careful to disconnect batts) for years without actually figuring that out. The back of the battery tray was pretty grimy so looked like a very poor ground.,5736.html

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Old 04-17-2016, 04:49 AM   #2
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1981 28' Airstream 280
Lisle sur Tarn , France
Join Date: Aug 2014
Posts: 89
I replaced my old diode battery separator with a 120A Cyrix relay ( alternator 140A / starter batt 100A, service batt 2 x 140A ) Very cheap and works great
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