73 Flickering Courtesy/Interior Lights?

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May 28, 2016 | 10:42 PM

Tooch1

Thread Starter

Burning Brakes

Joined: Oct 2013

Posts: 1,141

Likes: 518

From: McClellandtown, Pa.

73 Flickering Courtesy/Interior Lights?

My interior courtesy and rear compartment lights just started to flicker with engine running. Headlights/tail lights and instrument panel lights do not. I'm thinking its a ground issue, but not exactly sure where to check first.
Any suggestions?
Thanks

Last edited by Tooch1; May 28, 2016 at 10:43 PM.

May 28, 2016 | 11:39 PM

Msbfdx

Instructor

Joined: Feb 2015

Posts: 194

Likes: 11

From: Tennessee

Check your door jam wiring connectors are fragile and the switches themselves provide the ground. Unique pins for the switches...apparently made of gold based upon the price.

May 29, 2016 | 12:06 AM

Tooch1

Thread Starter

Burning Brakes

Joined: Oct 2013

Posts: 1,141

Likes: 518

From: McClellandtown, Pa.

Quote:

Originally Posted by Msbfdx

Check your door jam wiring connectors are fragile and the switches themselves provide the ground. Unique pins for the switches...apparently made of gold based upon the price.

That's what I was thinking , as a possible cause. I noticed a flicker of the door ajar dash light when I turned into my driveway the other day. I replaced my switches with new last year to get my alarm system to work properly. There are three wires on the 73. Two go to the switch, and the third (ground wire) attaches to the switch mounting plate. I enlarged the hole inside the access panel to make it easier to get to the switch.
You are correct about the cost, if you want to replace with OEM switches with the "SX" stamped on the pin.

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