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The line supply connects to the top terminals of the switch and the load connects to the bottom terminals of the switch.
How do I change the dimmer switch on my 1993 corvette?
I am not a corvette mechanic, but I call BS on vacuum diagnostic switch.
= Where is the fuel pump reset switch on a 1989 corvette automatic? =
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No
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The strappers from each two way switch go to the four way switch. The strappers from one switch go to terminals 1 & 2, the other two go to terminals 3 & 4.
In a situation where there is only one switch controlling the light or lights you normally use a spst (single pole single throw) switch that has only two connection terminals. This type of switch either connects or disconnects the two wires that are connected to the switch's terminals depending upon the position if the switch lever. The com terminal on a light switch means that it is a three way or the kind of switch used where there are two or more switches that controll the same light or lights. The three way switch is a spdt ( single pole double throw) . If you look closely you will find this designation somewhere on the switch. On the spdt switch you have three terminals, a common and two branches. In one postiion the common connects to one branch and in the second position the common connects to the other branch. If you are trying to install this switch in a situation where there is more than one switch controlling the light you must have the ability to correctly identify the common wire; if you can't do that you need help from someone who can do that correctly.
Remove the retaining ring from the top of your 1989 Chevy Corvette ignition switch. Slide the ignition switch out and remove the wiring harness.
The factory security system does not have a valet switch.
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