The switch is on the linkage behind the fuel dist. it signals the cis-e that the throttle is closed, it'll make for some weird happenings if bad, stalling, surging idle, high idle and so on. Not real consistently the same thing on all cars.
Project Smoker, '87 603 powered wagon
Hauler, 96 CTD can you say torque?
Toy 73 Cougar xr7 convertible
Acme Automotive Inc.