techboy Posted August 27, 2015 Report Share Posted August 27, 2015 My reverse lights on my Quest have never worked and a fellow club recently told me there's supposed to be a little ball bearing in there that floats on top of the switch. I don't remember seeing one when I put a new switch in recently, so I'm assuming a p/o lost it. Anyway, the other day I found some random ball bearings I had laying around in the garage, can someone with a spare trans get a pair of dial calipers and tell me what the diameter is supposed to be. TIA. Link to comment Share on other sites More sharing options...
kev Posted August 28, 2015 Report Share Posted August 28, 2015 If the ball bearing is not installed your back up lights will always be on Link to comment Share on other sites More sharing options...
techboy Posted August 28, 2015 Author Report Share Posted August 28, 2015 (edited) Well that's an interesting twist. There must be additional problem then, b/c like I said I've never had back ups. Maybe I should check the tails for bulbs ... Edited August 28, 2015 by techboy Link to comment Share on other sites More sharing options...
Dad Posted August 29, 2015 Report Share Posted August 29, 2015 Pretty sure it's 5/16 or 8mm. Don't crucify me if that's wrong, I have one in my desk to put in mine but I'm 1200 miles away from it at the moment Dad Link to comment Share on other sites More sharing options...
techboy Posted August 29, 2015 Author Report Share Posted August 29, 2015 Thanks so much Dad!! Hopefully I can get to the bottom of this issue. Link to comment Share on other sites More sharing options...
psu_Crash Posted August 30, 2015 Report Share Posted August 30, 2015 I have one on the bench. I'll grab a measurement when I get home. But I agree with Dad, pretty sure it's 8mm. Link to comment Share on other sites More sharing options...
kev Posted September 2, 2015 Report Share Posted September 2, 2015 Here you go: http://www.hotrodders.com/gallery/data/4337/medium/DSC02666.JPG http://www.hotrodders.com/gallery/data/4337/medium/DSC02670.JPG .344" which converts to 8.74 mm kev Link to comment Share on other sites More sharing options...
kev Posted September 2, 2015 Report Share Posted September 2, 2015 Wasn't really awake yet this morning when I posted those pics. In processing those numbers it is an 11/32" (8.75mm) chrome plated steel ball bearing. Doing a quick google search, they appear to be readily available. Most that I saw were 18-8 stainless steel chrome plated, which would work fine for this application. Kev 1 Link to comment Share on other sites More sharing options...
techboy Posted September 3, 2015 Author Report Share Posted September 3, 2015 You're awesome Kev. Thanks. Now I can measure up the one I got out in the garage. Link to comment Share on other sites More sharing options...
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