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Posts: 24
Joined: Mon Aug 12, 2013 8:22 pm
TRW Brain Box?
1975 IH 200 4x4 392
Engine compartment on the passenger side, next to heater box, is a box about 3" square, marked TRW 8 cyl, IH 462651. I has two wires and appears to have two ports for vacuum.
What is it? What does it do? Is it necessary?
Engine compartment on the passenger side, next to heater box, is a box about 3" square, marked TRW 8 cyl, IH 462651. I has two wires and appears to have two ports for vacuum.
What is it? What does it do? Is it necessary?