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I have an 06 forenza automatic. It appears that cruise can be installed fairly easily, so I went to the salvage yard and got the switch for the cruise and for the radio controls. I also got the clockspring and wiring harness from the donor car. All plugged in fine. the radio contrlls work, but the cruise doesnt. The car is wired the same as the donor car, so we are at a loss as to why it wont engage. Anyone have any experience with it? I guess its a long shot.
 

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I have an 06 forenza automatic. It appears that cruise can be installed fairly easily, so I went to the salvage yard and got the switch for the cruise and for the radio controls. I also got the clockspring and wiring harness from the donor car. All plugged in fine. the radio contrlls work, but the cruise doesnt. The car is wired the same as the donor car, so we are at a loss as to why it wont engage. Anyone have any experience with it? I guess its a long shot.
if it wasn't factory fitted on that car, there will be several issues. Additional relays are required, additional switches on brake pedal, correct ABS, BCM TCM and ECU models along with the correct firmware (this of course is assuming the ABS module allows for cruise control, along with the engine ECM, gearbox TCM and Body Control Module)

its a bit more than just adding a switch....yours i believe is cable so all those bits will be needed as well.

I wanted to add hill descent to mine, found a switch for $20 from the wreckers.
Checked and found out the ABS controller doesn't have the internal circuitry, the car has the wiring in the loom, but none of the additional relays. Will cost about $3000 if i want to get it working.

I have decided not to buy the switch.
 

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Assuming that the 06 Forenza is similar to the 05 Forenza, it's going to take a few more bits & pieces than just the steering wheel controls, there has to be an actuator that connects to the throttle body to operate the throttle plate, via a cable similar to the throttle cable.

I think it's a bit more complicated than you realize.
 

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Hey thanks for the quick replies. I wanted to point out that two thousand six seven and eight are drive-by-wire. There are no mechanicals needed for cruise control except that it is solely run by the computer which has complete control of the throttle. so there is no need for anything mechanical or relays or anything like that. It really should be plug and play in my opinion I'm going to keep researching it all the wiring appears to be there.
 

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Hey thanks for the quick replies. I wanted to point out that two thousand six seven and eight are drive-by-wire. There are no mechanicals needed for cruise control except that it is solely run by the computer which has complete control of the throttle. so there is no need for anything mechanical or relays or anything like that. It really should be plug and play in my opinion I'm going to keep researching it all the wiring appears to be there.
The wiring will be factory fitted but there will be additional electrical control relays required to power the cruise control circuits, as well as the correct ECU versions and firmware. If its not fitted to the car from the factory, you may still need to source the correct engine ECU, ABS control module, Transmission control module and body control module, and then you have to get them to talk to each other.

While your opinion that its "plug and play" is broadly correct, if the electronics aren't set up to control it, it won't work.
 
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