ignition switch

cquisuila

Member
Hello
I am french so sorry for my poor english !
I am the owner of a riviera 1966 and i have a problem with the ignition switch.

THis part is damaged and i have to change it.

- my switch is a 4 pins and it solds 5 pins !
The difference is the ground pin.

SO ???;)


-
 

cquisuila

Member
Thank YOU
THE GROUND pin is available for what using please ?
so can i connect one switch 5 in remplacement of my 4 pins switch ?
No problem ?
 

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In START position, the GRD pin connects to the ignition switch body. The wire on the GRD pin connects to the engine overtemperature lamp. The GRD circuit tests the overtemperature lamp when starting the car.

The GRD pin and wiring is not needed on the Riviera. The Riviera is the only '66 Buick using a 4-pin ignition switch. It uses a temperature gauge instead of a lamp.

The other contacts operate the same for both switch types. See attached diagrams from the shop manual for more info.
 

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