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Steve, Motorcycle Mechanic
Category: Motorcycle
Satisfied Customers: 6813
Experience:  30+ yrs. experience, MMI, HD technician, HD early, engine rebuild/performance, bike builder, kit bike program manager, CCI 2001-2004
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Cruise control on 2002 Roadking dosent work. Local Harley

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Cruise control on 2002 Roadking dosen't work. Local Harley dealership replaced the set switch,on right side, worked for maybe a month then quit working again. The on and off switch on left, the light does come on, but the set switch does not.

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do the brake lights work?


have the throttle cables been adjusted or replaced?


are you having any problems with the speedo or tach?



Customer: replied 5 years ago.
brake lights do work cables have not been adjusted , to the best of my knowledge, speedo and tach work fine

you can try disconnecting the wires from the throttle roll-off switch.

see if it engages then.


if not, you likely have a problem with the interconnecting wiring between the cruise unit and the bike. it could be anything from a loose pin connector to a pinched wire or a bad ground. you should look at the things that turn the cruise off.........throttle roll-off switch, brake relay, speedo and tach.


let me know what you find and if you need more help.


Customer: replied 5 years ago.
can you breifly tell me where the throttle roll off switch is located and does anything have to be taken off of bike to get to it???

no problem.

it is on the right side of the frame, just forward of the fuel tank.

all you will see is a fat spot on the idle cable with 2 wires attached with spade connectors.

all you have to do is pull the wire terminals off the switch.

if this is the cause of your problem, it would indicate either a bad switch or, typically, indicate the need for a throttle/idle cable adjustment.

there is a special procedure for these cables.

it does require a volt-ohm meter for the adjustment.


let me know if you need more help.


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