under your dash or in your kickpanel depending on yearmodel.

90-93 = In Passenger Kick Panel (Blue Or Green)

94-95 = Under Glove Box (Red)

96-97 = Behind Radio Console (Red?)

98-02 = ???????? (??????)

03+ = ?????? (?????)

it's a 2 wire harness in any case, you stick a paper clip to close the circut with the car off, then with paperclip in place put the car in full auxillary and count the flashes...

fast short flashs = 1st digit
slow long flashs = 2nd digit

alternating fast - slow - fast - slow = more then 1 error code, seperate counts after each pair.