I won't do fuel economy testing without cruise control... and my aftermarket unit (Audiovox CCS-100) has quit working.
It's actually been out of service for a while. But I haven't been eager to do any speed controlled tests until recently, so I haven't looked into it until tonight.
I verified the wiring is all still good, and the red LED on the servo unit comes on when the set/resume buttons or brake pedal is pressed (as described in the first paragraph of the ROAD TESTING section on page 10 of the manual here:
http://www.gadgetjq.com/av_manual.pdf ).
But it simply won't engage.
I also double checked that the vacuum line to the unit isn't kinked (it's not).
Any suggestions on what I should look at?