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quickcar
quickcar, ASE Certified Technician
Category: Dodge
Satisfied Customers: 1695
Experience:  10+ years chrysler
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2005 Dodge Durango: Cruise Control light comes..relay

Resolved Question:

2005 Dodge Durango: Cruise Control light comes on, but cruise control is not working. Is there a fuse or relay I should be looking for?
Submitted: 7 years ago.
Category: Dodge
Expert:  quickcar replied 7 years ago.
hello, there are no fuses in the speed control system. the switch is a multiplexed switch,in other words it has one signal wire to the pcm and just changes resistance based on what position you move it to. since the light comes on we no the wireing to the pcm is good. the most likely culprit is going to be a faulty switch,but it may also be a vacuum line off at the servo. first check the vacuum line at the servo and make sure there is vacuum there while the engine is running. if there is then the next test will require a scan tool to monitor the pcm and see what input it is seeing when you use the switch.
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