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Unread 10-12-2011, 11:41 PM   #21
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Default Re: 48 to 12 volt reducer

Steve3201,... How are the outputs of your converter labelled?,..and which output wire did you connect to the Blue wire in the bucket. Did you also connect the ground of the converter to the ground in the cart????
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Unread 10-13-2011, 09:48 AM   #22
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Default Re: 48 to 12 volt reducer

+ and -. That OEM harness is a P_I_T_A to deal with! My tow run switch is also not working, so I put a temp. on. Put the lights back to stock, until I can figure it out.

Yes, I connected the neg to the black wire and pos to the blue wire coming from the harness in the divider.
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Unread 10-13-2011, 09:59 AM   #23
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Default Re: 48 to 12 volt reducer

Here is a pic of Steve's converter.


IMG_0061.jpg
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Unread 10-13-2011, 10:17 AM   #24
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Default Re: 48 to 12 volt reducer

That yellow wire is part of the oem harness (divider) that provides ground to the harness in the dash. The ground comes from the neg on the controller and if I didn't dissconnect it, I would have lots of sparks, as I already have ground from the converter. Trust me, I learned the hard way. Luckely, it only blew a fuse


That is a quote above from Steves thread here...24-48 to 12 Volt Converter



What I wonder is if the yellow wire was a ground why did it spark when you connect the converters ground? I also wonder if you leave the yellow wire connected and do not connect the converters output ground and leave the ground wire in the harness intact that the lights would work since its grounded back the the batteries anyways through the factory harness? So you would only be using the output pos on the converter to connect to the blue wire which feeds your lights.
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Unread 10-13-2011, 10:38 AM   #25
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Default Re: 48 to 12 volt reducer

I suggest that you forget the harness wiring until you test the converter by itself. All you need to two wires to do that and a volt meter. Connect the +48 and ground directly from the batteries to the +B and the -B of the converter and then measure the output at the +12 and -12 on the converter. This will first prove the converter is working.
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Unread 10-13-2011, 10:48 AM   #26
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Default Re: 48 to 12 volt reducer

Quote:
Originally Posted by trigger1937 View Post
I suggest that you forget the harness wiring until you test the converter by itself. All you need to two wires to do that and a volt meter. Connect the +48 and ground directly from the batteries to the +B and the -B of the converter and then measure the output at the +12 and -12 on the converter. This will first prove the converter is working.
The converter works perfect. The problem is somewhere in the harness. If I bypass the harness, all is good. Also, I have to get some connectors and a decent tow/run switch. I should have an oem tow/run switch in a day or two.
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Unread 10-13-2011, 04:13 PM   #27
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Default Re: 48 to 12 volt reducer

Steve,...There are only two wires in the harness that connect to anything in the bucket. One is Blue and that connects to the +12. The other is black with a yellow bullet plug and that plugs into the yellow connector coming out of the controller. The end of the bucket harness has a 12 pin connector, which contains all kinds of break outs. The wiring depends on wheather you have the +48 volt realy inside the DASH. The purpose of the 48 volt relay is to be energized when the key switch is on. The relay then passes +12 volts out of the blue wire on to all things in the dash, such as the light switch, buzzer, etc. If you are in doubt about the bucket harness then you can trace the wires via VOM meter for continuity. I am assuming that your 2007 CC came with th bucket harness and I doubt if anything is wrong with that. I suspect something inside the Dash is not connected right.

There is no way to attach a file on this web site so if you send me an email I will send you a couple of pdf files showing the schematic and the bucker harness connections.
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Unread 10-13-2011, 06:36 PM   #28
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Default Re: 48 to 12 volt reducer

PDF files can be attached to a post.

I think.
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Unread 10-13-2011, 06:40 PM   #29
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Default Re: 48 to 12 volt reducer

Filetype Max Filesize Max Width Max Height
bmp 19.5 KB 620 280
doc 1.91 MB - -
gif 195.3 KB 1024 768
jpe 19.5 KB 620 280
jpeg 1.91 MB 2048 1024
jpg 1.91 MB 2048 1024
pdf 19.07 MB - -
png 195.3 KB 1024 768
psd 19.5 KB - -
swf 20.00 MB - -
txt 19.5 KB - -
zip 9.54 MB - -
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Unread 10-13-2011, 07:52 PM   #30
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Default Re: 48 to 12 volt reducer

Gornoman,..It only took me three days to figure out how to create and album, upload pictures and link the pictures to one of my post. I still have not been able to reduce the image to a thumb nail image. So,.. without further information from you,.. it should only take me a couple of days to find out how to attach a file.
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