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Old 12-28-2016, 02:16 PM   #1
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Where does this one go?

This is my first post and I'm already asking for simple help.
My wife and I just acquired a 93 chevy short bus with a 5.7 in it. I noted not all of the lights were working Brake lights and turn sigs. good, running lights no) so I went of a fuse hunt first, all (that I found) were good. So I opened the hood and found this:



It looks as if it would attach to the red post on the batt. but its "bend pattern" doesn't match. There are two other possibilities. The round unit by the wheel wall or the box just up from it. I looked at a wiring diagram, but it is hard to read at best.

thanks for the help.
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Old 12-28-2016, 03:21 PM   #2
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Follow that wire in your hand to be sure where it feeds. Looks like a 60amp fuse so not sure just by looking.
Do you have headlights? Seems to me that running lights would come on with the headlight switch pulled on. Yours might be wired different but I wouldn't think so.
Let us know what you find. Happy tracing.
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Old 12-28-2016, 03:22 PM   #3
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Welcome!

Looks like a 60amp fuse in the line, so not to power any lights.

The round can on the side looks like a starter solenoid that maybe is being used as a relay?

Does the bus have a wheelchair lift or power opening doors, etc. ?
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Old 12-28-2016, 04:52 PM   #4
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I agree the round can looks like a solenoid. My thought was maybe it switches body loads -- the fan in a heater unit, for example.
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Old 12-28-2016, 05:05 PM   #5
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Welcome, glad you are here. I have that engine in my GMC truck and adore it. Keep the fliuds checked and oil fresh and she just keeps running.

That IS a positive terminal, so there is no danger in connecting it to the positive and see what works that didnt. It may give a slight spark if it is powering lights, but shouldnt do much more than that.

We all ask for simple help, and then we pass it along to others. It's how the Skoolies keep our share of the world turning.
Good luck!
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Old 12-28-2016, 05:27 PM   #6
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Quote:
Originally Posted by DoubleO7 View Post
Welcome!

Looks like a 60amp fuse in the line, so not to power any lights.

The round can on the side looks like a starter solenoid that maybe is being used as a relay?

Does the bus have a wheelchair lift or power opening doors, etc. ?
The bus does have a lift. I was told it didn't work.
I'm trying to figure out if I really need to fix it or just take it out. Mine is a short bus : is taking up valuable real estate.
So the problem with the lights is something else.

Thank y'all. Any ideas (lift or lights) , please let me know
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Old 12-28-2016, 07:36 PM   #7
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Engine: Navistar 7.6L
So does the lift work when that cable is not connected?
If no, go to the motor drive switch and see if you have 12 volts back there.

In your picture, there appears to be an identical terminal lug attached to power?
Maybe the one in your hand use to be connected there also?
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