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Old 06-15-2007, 06:46 PM   #1
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1978 31' Excella 500
Harmony , Pennsylvania
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Question wiring questions

We disconnected the (newer replacement) univolt to repair floor and floor channels. Now we went to rewire it and the owners manual cd with the electrical information has disappeared off of my computer.

Can anyone give me a hand as to what some of the wires are? Or does anyone have a manual for 78 excella that I can get a copy of?

5 wires are marked CKT with different colors. What are these??
CLR and brake - is this clearance and brakes?


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Old 06-15-2007, 07:02 PM   #2
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1971 25' Tradewind
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Santa Cruz , California
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If you can't find a schematic, it's fair to assume that the 5 CKTs are 12 volt circuits ... you could connect each one in turn to one of the outputs of the Univolt fuse panel and see what comes on. In my 1971 Tradewind all the circuit wires are red. The clearance lights wouldn't go to the Univolt, but the brake circuit would -- to power the brakes in case the trailer comes off the tow vehicle and pulls out the breakaway switch.

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Old 06-15-2007, 11:20 PM   #3
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1978 31' Excella 500
Venice , California
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Here are two diagrams. It might be a good idea to trace out each of the five circuits and write down what is served by each one. Makes it easier on the road.
Attached Files
File Type: pdf Excella 1.pdf (178.0 KB, 70 views)
File Type: pdf Excella 2.pdf (201.1 KB, 48 views)
"Not all who are laundering are washed" say Bill & Heidi

'78 Excella 500,"The Silver Pullit". vacuum over hydraulic disc brakes, center bath, rear twin. '67 Travelall 1200 B 4X4 WBCCI 3737
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Old 06-16-2007, 04:17 PM   #4
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1978 31' Excella 500
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Thanks a bunch!

Now my hubby has to go back to work,....
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