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Old 08-14-2016, 05:40 PM   #11
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Same system, missing relay

I have a 93 transit liner and I disconnected all the exit alarms so now I have the same problem. Everything seems to be the same system except I can't locate the relay that needs to be bypassed. I have the same ignition, same buzzer, same wiring box, but there isn't a relay anywhere I can find.
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Old 08-15-2016, 10:22 AM   #12
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All I can say is that if disconnecting the exits resulted in the bus not starting, there's a relay somewhere. Follow the wires until you find it, because you have to disconnect it to get your bus to start again. If the bus is starting, then you're right, there isn't a relay to remove. Good luck!
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Old 10-10-2016, 10:39 PM   #13
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I am now having this problem. I think it is the interlock, but can't be sure because I don't recall disconnecting any exits to cause the problem. We were taking out wall panels though and who knows, maybe my old man cut a wire someplace.... I did figure a temporary work around that may help anyone in the same boat as me.

I have a rear engine bus that can start at the the engine in the back. It seems unaffected by the interlock (if that is indeed the problem) but this does not let me drive. After some trial and error I figured out if I first put a key in the ignition up front in the "on" (not start) position then that gives me juice to the electric system so stuff like the lights accelerator pedal all work. Then I go to the back and fire up the engine. Voila, I can drive.

Now to figure out the ignition thing. I'm way out of my element with this electric stuff. ��
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Old 10-11-2016, 05:46 AM   #14
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Quote:
Originally Posted by Bus Driver View Post
I am now having this problem. I think it is the interlock, but can't be sure because I don't recall disconnecting any exits to cause the problem. We were taking out wall panels though and who knows, maybe my old man cut a wire someplace.... I did figure a temporary work around that may help anyone in the same boat as me.

I have a rear engine bus that can start at the the engine in the back. It seems unaffected by the interlock (if that is indeed the problem) but this does not let me drive. After some trial and error I figured out if I first put a key in the ignition up front in the "on" (not start) position then that gives me juice to the electric system so stuff like the lights accelerator pedal all work. Then I go to the back and fire up the engine. Voila, I can drive.

Now to figure out the ignition thing. I'm way out of my element with this electric stuff. ��
if you have locks on your side door or rear window unlock them. that will kill the bus also. the kids need a way out and the over night locks have to be in the open position. good luck
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Old 10-11-2016, 06:39 AM   #15
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Yeah, those were the first things I checked. I learned about that quickly after I first got the bus. "Oh nice, this locks..." then the loud buzzing and no starting. After that it just stayed unlocked

The door/window is not locked. Bus won't start, but there is no buzzing alarm either. I'm not sure if that is significant for trouble shooting?
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Old 04-17-2017, 12:43 PM   #16
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An oldie but goody thread.

I want to get rid of the switch on the side door. I see i could it is a plunger type switch that i could just wrap with tape but would rather remove it. There are 2 white wires and 2 black wires. Should i do what?
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Old 04-17-2017, 01:42 PM   #17
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Some of those wires, terminals and such, actually look useful!
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Old 04-17-2017, 02:06 PM   #18
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I'm sure you guys have already seen the videos about how to disable the interlock system on youtube.

To have a functioning interlock system the starter has to have some extra wiring. If you can disconnect the additional wiring from the starter and then follow those electrical leads to your fuse panel you should be able to disable it completely.

The interlock system seems to vary on different buses so each of us has to become a bit of an electrician to disconnect this right. If you disconnect something, stop and try to start your bus before moving on so you can reconnect it if you have any problem starting.
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