I had 2 123 chassis cars with the same problem, and both times it turned out to be the sender.

__________________
J.B. Hebert

--------------------------
Current Vehicles:
'76 Ford Bronco
'78 Volvo 262C Bertone V8
'80 Alpina B7 Turbo Coupe (For Sale)
'94 Ford Explorer
'95 Mercedes E300D Sportline+