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Old 03-03-2019, 01:17 PM   #1
TeacherJoe's Avatar
Join Date: Oct 2018
Location: Connecticut
Posts: 124
Chassis: Freightliner
Engine: Cat C7
Crazy Wires!

Iím not sure if this is the right sub forum...but can anyone help me figure out this mess in the fuse panel area?

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Old 03-03-2019, 01:39 PM   #2
Bus Crazy
somewhereinusa's Avatar
Join Date: Nov 2010
Location: Andrews,Indiana
Posts: 2,012
Year: 1991
Coachwork: Bluebird
Chassis: AARE
Engine: 3116 Cat 250hp
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Those are generic cube relays. Either follow the wires to the other end or have someone flip switches to see what makes them click. Start with any switch that doesn't look original.
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Old 03-03-2019, 02:11 PM   #3
Bus Crazy
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Join Date: May 2017
Location: Chattanooga, TN
Posts: 1,365
Year: 2001
Coachwork: Thomas
Chassis: Thomas
Engine: CAT 3126
As previous response says, they are relays. Assuming they are still needed, you could just bundle them up and secure them. There are so many relays on a bus that there is no way to hazard a guess at what they are for without more info.

Any electrical device that uses more than few amps will use a relay to keep they heavy amp load off of the primary switch.
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