What is this part, 1997 Class B Dodge?

[bigsallysmom]

While studying the house battery system and trying to find if I have a solenoid, I see this under the engine battery (yellow arrow).  Anybody know what it is?  It will save me from having to lift the battery out.  I followed the cables back and took photos of where they were going.  I couldn't tell if it was going to the alternator or something immediately behind it.

 

[Ballenxj]

While studying the house battery system and trying to find if I have a solenoid, I see this under the engine battery (yellow arrow).  Anybody know what it is?  It will save me from having to lift the battery out.  I followed the cables back and took photos of where they were going.  I couldn't tell if it was going to the alternator or something immediately behind it.

You talking about the rectangular metal thing with fins? That would be your battery isolator.
https://www.google.com/search?q=bat...C7djXAhVhrFQKHb2iAIAQsAQIgwI&biw=1366&bih=656

 

[bigsallysmom]

Thanks gsfish and ballenxj. I knew somebody here could tell me.
That's certainly what it looks like. I have no idea how old it is. Looks rusty. Now to ask myself if I want to change it to a solenoid or to live with it as is.

 

[highdesertranger]

it's a dual battery isolator even if it still works I would put a good quality solenoid in its place. highdesertranger

 

[tx2sturgis]

Yes its a dual battery isolator and if that's from the RV factory/conversion company,  maybe they 'turned up' the voltage on the alternator to compensate for it. Maybe not.

 

[frater secessus]

Great job on the pics, by the way. Really helped get quick, definitive answers.