Haudi, It's a two-pin, three-wire Amp connector. (2) brown/black wires, and (1) yellow/red wire. It hangs near the flywheel hall sender (kinda under the ABS unit). WTF is it for? tia and cu, James '87 4kq (alias "late-B2 90q") '89 200q (K26, torsen, aero handles, no bag) ('86 4ks, lives on in memory) Boise, ID, USA http://netnow.micron.net/~marriott