ECM Constant Power Circuits
- ECM should always have battery power to retain memory.
- On Trooper II (2.6L 4-Cyl), check ECM Green/Yellow wire of 14-pin connector. Power is from 10 amp fuse (No. 3) in fuse box. On Trooper II (2.8L V6), ECM pins B1 and C16 (White wires). Power is from 10 amp fuse in fuse box.