blowing fuses in my Jayco Hawk O/B

Submitted: Wednesday, Feb 13, 2008 at 13:00
ThreadID: 54538 Views:2988 Replies:4 FollowUps:5
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Hi All, I ahve a small problem with blowing a fuse in my Jayco.
I have an American (brand name) converter and have wired it up with a 95a/h battery. My problem is when I have 240v running into the converter and then turn the switch on to charge battery it blows 1 of the 7.5a fuses thus cusing lights to go out.

If I disconnect the battery and do the above proceedure then run a multimeter acrooss the wires it is (+ and - feed to/from battery)it reads 13.15v, when I connect theswe wires back to the battery, it blows a fuse.
From the positive terminal I have a wire going into the single pole switch, from this switch iit feeds to the back of the heatsink. negative wire is feed straight to the earth block at the rear of the fuse box.

Help please.

Cheers
Nigel
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Reply By: Marn - Wednesday, Feb 13, 2008 at 21:42

Wednesday, Feb 13, 2008 at 21:42
Your problem could be in the wiring. In my 07 jayco swan I connected in some sealed lead acid batteries and assumed that the white wire was the positive and the black wire the negative, but Nooo. the tossers have made the black wire the positive! Something you might want to check. Cheers marn
AnswerID: 287347

Follow Up By: Shaker - Wednesday, Feb 13, 2008 at 23:41

Wednesday, Feb 13, 2008 at 23:41
Isn't the white wire the earth wire in the trailer plug?
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FollowupID: 552595

Reply By: Marn - Wednesday, Feb 13, 2008 at 21:47

Wednesday, Feb 13, 2008 at 21:47
check the wiring. In my swan the tossers had made the black wire the positive thus blowing fuses when the charger was on. (you would think the white wire would be the positive BUT THAT WOULD BE TOO SIMPLE!!! Engineers were definitely involved. Cheers
AnswerID: 287349

Follow Up By: Marn - Wednesday, Feb 13, 2008 at 21:48

Wednesday, Feb 13, 2008 at 21:48
Hmmm looks like it did submit the first time after all:)
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FollowupID: 552561

Follow Up By: Shaker - Wednesday, Feb 13, 2008 at 23:43

Wednesday, Feb 13, 2008 at 23:43
They would really be "tossers" if they used different coloured earth wires throughout the trailer ...... see above!
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FollowupID: 552596

Reply By: Member - LOS BUSH - Wednesday, Feb 13, 2008 at 22:10

Wednesday, Feb 13, 2008 at 22:10
G'day Nigel As said before in my Jayco the black is positive also
All the best Los
AnswerID: 287351

Follow Up By: Gone Bush (WA) - Thursday, Feb 14, 2008 at 00:01

Thursday, Feb 14, 2008 at 00:01
Are you positive LOS?

I'm glad I ain't too scared to be lazy
- Augustus McCrae (Lonesome Dove)

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FollowupID: 552598

Follow Up By: Member - LOS BUSH - Thursday, Feb 14, 2008 at 11:02

Thursday, Feb 14, 2008 at 11:02
G'day Bush,I'm as + as u can get even when I'm in the black Los
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Reply By: campaholic - Thursday, Feb 14, 2008 at 21:13

Thursday, Feb 14, 2008 at 21:13
The guys down at Jayco are baffled why the fuse keeps blowing. Some have suggested that Black is earth and White is power, I have rechecked and White is deffinatly earth and Black is power. I visited a local auto sparky and he suggested that if the battery is flat the converter will have a hard time trying to charge it therfore causing an overload and blowing a fuse---makes sense----. I have got the battery on charge and will check again tomoorow if this remedies the problem.

Cheers
Nigel
AnswerID: 287523

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