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mvpfrank

1987 Speedo Electrical Device

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Below the power brake vacuum unit you will notice where the speedo cable comes from the tranny. It's screwed into an electrical device with 2 wires coming from it. On the other side of that device a shorter speedo cable is connected & heads to the actual speedometer. What is that electrical device & what does it do?

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It is the VSS (Vehicle Speed Sensor / Transducer). It is used for the Cruise Control, ECM and Transmission.

 

Jim Wood

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