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65 buick wildcat cruise cont.


Guest smarty
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how did the cruise work way back when? It appears that the car I bought has cruise. chain going to vacuum that is attached to the throttle linkage was it electric or cable driven?

thanks Rick

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Is there a transducer usually on the left fender that has two speedometer cables going in and out of it? There is usually an electrical connector at the top and a couple of vacuum hoses. Follow the vacuum hose from the servo (the thing with the chain) and see where it goes. If you post a pix of the underhood, could help more.

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how did the cruise work way back when? It appears that the car I bought has cruise. chain going to vacuum that is attached to the throttle linkage was it electric or cable driven?

thanks Rick

Its a combo of electric and vacuum operation. There are vacuum connections to the modulator @ the firewall, @ rthe brake pedal... the brains of the operation is above the glove box, there is some tubes or transistors in an electric plug in board.

On your speedo there is a knob to set the speed, one sets that and then pushes it to activate the electric part. A light in the speedo comes on when it is working. touching the brake pedal shuts it off (vacuum break) and the modulator on the firewall is vacuum powered. The chain connects from the modulator to the throttle linkage. Weak vacuum or broken vacuum will give the system trouble!

Cheers, :eek:

Edited by Wildcat65 (see edit history)
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