Now need help with 12V fridge problem please
Submitted: Saturday, Jan 10, 2009 at 16:09
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Member - Matt & Caz H (QLD)
Hi all,
Well we hooked up the 12v for the 3 way fridge so we can travel safely - We are not 100% sure we have done it correctly - the circuit breaker is clicking (its a 20amp) and the power at the trailer plug is 14V with no load and 0V with load. Is this correct or have we done something wrong?
Thanks in advance for any help
Cheers
Matt, Caz & kids
Reply By: Tenpounder - Saturday, Jan 10, 2009 at 16:53
Saturday, Jan 10, 2009 at 16:53
Hi there. Sounds like a dead short in the 12 v wiring. Had the same thing a while back. The only solution I know is to systematically
test the circuit. In my case, everthing tested OK right through to the fridge itself, and the fault was in the 12 v heating element within the fridge (about $200 to have replaced).
It depends how handy you are as to whether it is a DYI job. There may be a 12 v plug and socket somewhere inside the van, and near the fridge. If so, unplug that, and try again: if you still have say 12.5V or better at the socket, then it is probably in the lead to the fridge, or in the fridge itself. If it does not make a difference (ie if the socket does not give you a 12V or better reading) then the short is probably between the drawbar connector and the kitchen of the van.
Does this help?
AnswerID:
343587
Reply By: Member - Garth J (NSW) - Saturday, Jan 10, 2009 at 16:55
Saturday, Jan 10, 2009 at 16:55
Matt,
Not much to go on but......
14v open circuit at the plug seems ok.
Is the c/b only clicking when trailer is plugged into the car?
The noise is the c/b open circuiting. To protect the downstream wiring.
I suspect you have a short circuit when plugged in. And most probably active(+ve) and neutral (-ve) are maybe reversed on the trailer end.
Or you have a s/c to earth(trailer) body of the positive wire.
Hope this is some help.
Garth
AnswerID:
343589