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Old 07-15-2018, 06:06 PM   #1
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Bypass the ignition interlock system

Have a 1998 bluebird rear engine 72 passenger bus. In the process of painting the inside I cut some wrong wires and now I can’t get my bus started. Anybody have any clue how to bypass the system some of us will start again? Any help would be appreciated

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Old 07-15-2018, 06:21 PM   #2
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And they think I'm dumb for having the engine run while while cutting wires. You would have known right away which of the 20 wires you cut is the culprit.
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Old 07-15-2018, 06:22 PM   #3
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Right. I started the engine after each time but the next morning it would not start
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Old 07-15-2018, 06:36 PM   #4
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Originally Posted by bhaley51 View Post
Right. I started the engine after each time but the next morning it would not start
Then what makes you think it was the wiring if it worked before and nothing changed to the wiring overnight?
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Old 07-15-2018, 06:39 PM   #5
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Had a mechanic check it out and he says that is it but has no clue on how to by Pass. All else checks out. Can jump starter with a screwdriver runs good but won’t start with the key
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Old 07-16-2018, 11:04 AM   #6
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Just got off of the phone with Kevin @ Bluebird regarding emergency exit interlocks.

I am trying to avoid making this weeks "my bus wont start" post.....

According to Kevin, If I remove the relay labeled "VandalLock" and jumper between the connections labeled "30" and "87A" it will bypass the interlock.
The relay was behind the drivers side front access panel. The one that holds the windshield wiper.
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Old 07-16-2018, 12:21 PM   #7
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The relay was behind the drivers side front access panel. The one that holds the windshield wiper.

Getting closer, my relays appear to be in front by the windshield but none labelled that vanledlock but in the side fuse panel there are a red and white wire that comedown from a buzzer in the drivers elbow that buzzes when trying to start vehicle
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Old 07-16-2018, 03:20 PM   #8
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Old 07-16-2018, 07:55 PM   #9
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And they think I'm dumb for having the engine run while while cutting wires.
That's probably not the reason.
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Old 07-16-2018, 09:39 PM   #10
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That's probably not the reason.
Got it working somewhat. It starts. put the rear hatch opening switch into middle of system and hooked it up now it fires up here is pictures of what it looks like but we need
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Old 07-17-2018, 06:46 AM   #11
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The interlocks work one of three ways. They either close a circuit (to ground, or completing a loop) or they open a circuit (remove connectivity between OUT and IN) or they ground a circuit. So to disable them, you either snip the wire off, ground the wire, or if it's a loop, connect the wires together.

My Bluebird's interlocks were set to ground when a window was open, so I just cut the wire and no more interlock.
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