on board trip computer

hi can anyoune tell me if there is a fuse for the trip computer as ever since ive had my car it has never work but the red light does come on when the lights are switched on?????? ive got a 1982 2.8i ghia x exec. thanks lee

Yes there's a little in line fuse holder located near the aux fuse box under the right hand side of the dash, it has a little 1 amp glass fuse in