M915A3 Wiring

Socommfg

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n. Augusta sc
I am installing a NEW M915A3 body on a rollback.

Question> There is 5 terminals on the fire wall: right hand side 2 smaller Black STUD terminals Center 1 LARGE Red terminal Left: 2 RED smaller Studs. Can anyone lead me in the20211116_162601.jpg right direction on wiring these.
 

simp5782

Feo, Fuerte y Formal
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Location
Memphis, TN
I am installing a NEW M915A3 body on a rollback.

Question> There is 5 terminals on the fire wall: right hand side 2 smaller Black STUD terminals Center 1 LARGE Red terminal Left: 2 RED smaller Studs. Can anyone lead me in theView attachment 851349 right direction on wiring these.
Round is for lighting others are just engine plugs for sensors/gauges reading from the ddec ecm.
 

simp5782

Feo, Fuerte y Formal
Supporting Vendor
10,699
4,848
113
Location
Memphis, TN
You can ohm test from the gauge outputs to the pins at the plug to figure out which one is which.

I went with mechanical gauges and swapped em out and then just wired the switch thru the fuel solenoid and starter etc.
 
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