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Old 05-13-2017, 06:09 PM   #1
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Roof Hatches

How do I disable the roof hatch alarm function? Will cutting the cables at the hatch result in an open circuit that will set off the alarm? I'd like to be able to fully open the hatches if the weather permits. That, and it would allow me to get up on the roof for a possible patio.
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Old 05-13-2017, 06:42 PM   #2
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Cut the wires test the switch with an ohm meter when hatch is closed. If reading meter as 0 ohms when hatch is closed then connect wires together. If reading as an open circuit then cap the wires. Hope this helps.
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Old 05-13-2017, 07:02 PM   #3
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You can turn the latch on the top hatch and pop it open. You'll have to put the latch back together well before you'll be able to start up again.

The hatch hinges nicely out of the way. Just pretend it's a fire drill.
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Old 05-14-2017, 04:53 PM   #4
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I know about turning the red latch; however, the alarm going off will not add to the mood.
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Old 05-14-2017, 05:51 PM   #5
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I know about turning the red latch; however, the alarm going off will not add to the mood.
If you look in my shorty thread it shows taking out the hatch and disabling the buzzer.

I just had to disconnect this wire
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Old 05-14-2017, 07:25 PM   #6
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The alarm shouldn't be going off unless you've got the key turned on. Mine doesn't buzz at all to just open it while the key is off, for roof access apparently. Maybe mine's different. They all seem to be a little different.
The other day the interlock apparently caused someone's electric fuel valve to stay closed, but it allowed them to crank the vehicle while the buzzer was going off. No smoke. Someone else removed their stop sign and the interlock engaged.

It seems that buses are like a box of chocolates? Everyone's interlock seems to disable a little different, even on seemingly similar buses. I'm too far out in the boonies to take a chance on activating the interlock and being stuck, especially with my adverse electrical abilities.

All I'm saying is you can work around the interlock, usually anyway. My latch reattached easily and I had no problems starting afterwards.
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Old 05-15-2017, 07:14 AM   #7
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I don't understand why ...
I've disconnected (i did not cut) my hatches, emergency Windows and stop signs and the alarm buzzer doesn't go off when I turn the key and start it up....
Should I just not look a gift horse in the mouth?

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Old 05-15-2017, 07:25 AM   #8
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I don't understand why ...
I've disconnected (i did not cut) my hatches, emergency Windows and stop signs and the alarm buzzer doesn't go off when I turn the key and start it up....
Should I just not look a gift horse in the mouth?

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If your windows, hatches, etc had four wires going to them, then they'd have had the interlock. My 92 and 98 AmTrans only had two to each, which made me glad.
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Old 05-15-2017, 04:03 PM   #9
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If your windows, hatches, etc had four wires going to them, then they'd have had the interlock. My 92 and 98 AmTrans only had two to each, which made me glad.
Ditto with mine. And the rear and side exits were already disabled when I got it
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Old 05-16-2017, 01:10 PM   #10
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Ditto with mine. And the rear and side exits were already disabled when I got it
Nice!!!

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Old 05-16-2017, 01:11 PM   #11
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If your windows, hatches, etc had four wires going to them, then they'd have had the interlock. My 92 and 98 AmTrans only had two to each, which made me glad.
I'm totally psyched!

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Old 05-16-2017, 01:16 PM   #12
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Ditto with mine. And the rear and side exits were already disabled when I got it
Hey, I wonder if you're anywhere near me...I'm in Westtown NY near New Milford NJ.

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Old 05-16-2017, 06:04 PM   #13
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If you look in my shorty thread it shows taking out the hatch and disabling the buzzer.

I just had to disconnect this wire
That's all I had so I guess I lucked out

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Old 05-16-2017, 06:23 PM   #14
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My E-door had it. I simply had to cut the wire and remove the switch. I haven't tried any of the E-windows, but the roof hatches are definitely armed.
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Old 05-16-2017, 07:17 PM   #15
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Both of my E doors only had the one wire along with both E Windows. I'm really lucky because I really have NO clue whatsoever about electronics.

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Old 05-16-2017, 07:41 PM   #16
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Both of my E doors only had the one wire along with both E Windows. I'm really lucky because I really have NO clue whatsoever about electronics.

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Me either, but I AM learning.
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Old 05-16-2017, 07:46 PM   #17
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AMOF I'm actually trying to learn it right now online. At least the basics. I'm not real bad at being self taught though, so let's see what I can do

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