Clifford,

There should be 2 fuses...Ign and Batt to the ICU.

"A" Connector Socket Pinouts are (3 rows of 3):

1. CVSG Power (circuit #34100)(wire #1121)(Commercial Vehicle Smart Gauge)

2. Battery Power (curcuit #P2581CU) (wire #1080)

3. Stop Lamp Outp... Login to read more.