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Originally Posted by bob2231
I can't check the cable until later, but I know the brake lights and signals work. And I didn't see any dash light when we tried it.
Thanks
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OK, there's a bit of a trick to activating the system, it dosn't come on immediately after pressing the ON button.
My terminology, "Come on" means the "Speed Control" text is displayed between the Odometer and the Speedometer. You can't miss that one
The system won't activate under 25MPH. Over 25MPH:
Press the ON button once, (nothing appears to happen)
Press the Set Accel button once, the "Speed Control" text confirms activation.
(See attached screenshot, click to enlarge).
If that sequence didn't work, we'll have to begin a diagnostic routine.
1st step in "Speed Control won't come on" is:
Verify proper horn operation.
Verify stoplamp operation.
Check circuit fuses.
Town Car - 3 fuses
Power Distribution Box fuse "L" (20A), Fuse Junction Panel fuse 7 (15A) and 16 (15A).