The Mariah Owners Club
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The Mariah Owners Club (http://www.mariahownersclub.com/forum/)
-   Original Mariah Talk (http://www.mariahownersclub.com/forum/original-mariah-talk/)
-   -   Help me Identify this part (http://www.mariahownersclub.com/forum/original-mariah-talk/5858-help-me-identify-part.html)

Cliff_Haskins 07-21-2011 08:38 AM
Re: Help me Identify this part
 
Did you check behind the battery switch for fuseholders?

Mbaumy 07-21-2011 02:59 PM
Re: Help me Identify this part
 
Yes I did, all ok. Have power to the out of the switch past the fuses but no power to the circuit breakers. I feel like there's a junction block I can't see. Found the large wiring harness in the cabin and only have power to known working circuits. Can't see where the harness comes from disappears behind cabin wall. :(

Cliff_Haskins 07-21-2011 04:33 PM
Re: Help me Identify this part
 
Wires on isolator are not backwards? (Think of it as a large diode). If two crank batteries, there should be three wires... one in, two out. Also, what size boat, guess I missed that somewhere. Deep cycles usually run cabin power. As for the problem at hand - could be a bad ground, pin pushed out, chopped harness, etc..

180diablo 07-24-2011 03:15 AM
Re: Help me Identify this part
 
Quote:
Originally Posted by Mbaumy (Post 31249)
Yes I did, all ok. Have power to the out of the switch past the fuses but no power to the circuit breakers. I feel like there's a junction block I can't see. Found the large wiring harness in the cabin and only have power to known working circuits. Can't see where the harness comes from disappears behind cabin wall. :(
Hmmm, then what lies before that circuit breaker in question?

Honestly, I can't see why the boat designers would bury a junction block where it wasn't easily accessible. As Cliff mentioned above, it could be just a bad wire.... somewhere.


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