2007 Saturn Aura. Cruise control quit working.

Was Cruise Control working before the New Horn was installed? The power supply to the Horn, (input to ground wire) is connected to the Cruise Control Module (CCM). This CCM is wired to the Relay Switch Box located in the Engine Bay. The Relay Box cover will have a Chart indicating what function each Relay coresponds to. Your local autoparts store (AutoZone) can test the Relay Switch, and you'll know (if any Relay) need to be replaced.

The CCM is also wired to the Steering Wheel, but first passes through the Clock Spring Coil, located just behind the Steering Wheel. The Clock Spring allowes for the Function Buttons on the Steering Wheel to have power while Steering Wheel spins.

The Clock Spring can malfunction or break, its rare, but this will cut power to the Function Buttons on Steering Wheel. If ALL the buttons on Steering Wheel dont work, then the Clock Spring is the Culprit. The Coil may need to be replaced.

The Cruise Control Module itself may have failed and also would cause a few or all Steering Wheel Functions to quit working.

But first check the Relay Switch Box and examine the Harness Cables connecting (Steering Wheel--to--CCM--to--Relay Switch Box--to--Battery Supply).

Also if Cruise Control was working before the new Horn was installed and now not working, then most likely the Problem is a bad wire connection somewhere and/or is a faulty Relay.

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Do you have an airbag light lit ? Are your cruise control buttons on the steering wheel . If so the clock spring could have an open circuit. A clock spring is a part inside the steering column , under the steering wheel . Check out this video on clock spring .
https://youtu.be/4jv2DW39drA if no airbag light ,then probably not this part.

Under the hood on the driver side

Okay, 2016 Nissan Pathfinder SV, steering wheel controls do not work. Any of them, include cruise control, handsfree cell, or button for vehicle settings, owners settings, etc

The ABS is lit up on my dashboard nothing else. Always on. Now what? Just got the Pathfinder 9 months ago. Stuck. Mm mmm

More than likely you just need a brake switch, just make sure you ask for the cruise deactivation brake switch.

if i turn my cruise control on the light comes on on the sterring wheel but it wont set

Use the cruise control on/off switch and set it to ON. Then momentarily hit the set/coast switch and that should do it. I believe everything is located on the steering wheel.

try sticking it back on with contact adhesive??

Check for vaccum hoses attached to the cruise control module in engine compartment. These hose may be try rotted and your loosing vaccum when you activacte cruise control.

DID YOU CHECK THE RECALLS?? MY 93 F150 HAD A RECALL W/ THE CRUISE CONTROLL (WICH I HAVENT DONE..LOL) AND SUPOSIVLY IF IT ISN'T FIXED IT'LL CAUSE A ENGINE FIRE.. ACCORDING TO THE FORD DEALER IF THIS RECALL SERVICE IS PERFORMED IT CAN POSIBLY MAKE THE CRUISE WORK AGAIN.. (MINE DON'T WORK EITHER) I DONO.. MABE IT'S THAT.