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Old 04-07-2019, 03:11 PM   #1
Skoolie
 
Join Date: Sep 2016
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Year: 2000
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Engine: DT466E
Harness Wiring Issue

Hey all. I know there are some amazing dc wiring gurus out there. I am working on re-wiring a bunch of things that got torn out with the original bus control panel (see thread here: http://www.skoolie.net/forums/f49/ad...mos-24737.html).

I've got a heavy wire from the starter post to the solenoid, and a heavy wire from the solenoid to a fuse box. I have a ground wire to the solenoid, as well as a wire running to the IGN feed on the bus bar under the kick panel.

Coming off the fuse box currently, I have the power feed for the windshield wipers, and power feeds for cargo lights that I installed in the front and back of the bus. That's it.

All of those things work fine.

BUT!!! Now, for whatever reason, the turn signals work even when the key is off?????

I didn't change anything at all with the feeds for those.

Help.
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Old 04-07-2019, 04:21 PM   #2
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Location: Andrews,Indiana
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Year: 1991
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Are you sure it wasn't that way before? Mine work with the key off.
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Old 04-07-2019, 08:26 PM   #3
Skoolie
 
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Pretty sure? I guess I can't remember the last time I tried to turn on the turn signals with the key off.....I've had the battery unhooked for the last few months.

Anyone with an IC3800 want to chime in? Tango?
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Old 04-07-2019, 08:39 PM   #4
Almost There
 
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Engine: 5.9 Cummins 12V Mechanical
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The turn signals on my 95 Blue-Bird do not work with the key off. The emergency flasher switch on the steering column works, but then they usually do.



I've been thinking I would avoid any major rewiring, but now I see there are a lot of things on the main panel that work with the key off, when I don't really think that's necessary. For example all the interior lights and all the heater fans, so I probably will do some rewiring.
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Old 04-08-2019, 12:53 AM   #5
Bus Nut
 
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It seems that the function of the turn signals with the key off varies by manufacturer. The turn signals on our 2002 Freightliner FS65 Thomas Built Bus function with the key off.
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Old 04-08-2019, 01:36 AM   #6
Almost There
 
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Engine: 5.9 Cummins 12V Mechanical
Rated Cap: Blue-Bird says 72 pass.
From the posts in this thread, you can see that Blue-Bird did it one way in 1991 and then the other in 1995. That makes me a little curious. I'll probably get over that.
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Old 04-08-2019, 08:57 AM   #7
Skoolie
 
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Quote:
Originally Posted by gs1949 View Post
From the posts in this thread, you can see that Blue-Bird did it one way in 1991 and then the other in 1995. That makes me a little curious. I'll probably get over that.

Haha! My experience with my bus, and from what I've seen on here, is that there is nothing more confusing and less standardized that school bus wiring.
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Old 04-15-2019, 08:06 AM   #8
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I had a 99 international 3800 and my wipers worked with the key off.
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Old 04-15-2019, 08:34 AM   #9
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Quote:
Originally Posted by gs1949 View Post
From the posts in this thread, you can see that Blue-Bird did it one way in 1991 and then the other in 1995. That makes me a little curious. I'll probably get over that.
It might be a matter of who built the chassis, not the year. Bluebird builds their own RE and buys the FE models.
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Old 04-15-2019, 11:00 AM   #10
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Engine: 5.9 Cummins 12V Mechanical
Rated Cap: Blue-Bird says 72 pass.
@somewhereinusa, that's interesting. I could have had a BB FE, same year, same size, same engine, same price, but I wanted an RE.
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