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Old 09-26-2018, 10:29 AM   #6
83GMCK2500
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Join Date: Sep 2009
Location: Beaverton, OR from WA State
Posts: 1,515
Re: Need help locating an obsolete part

Interesting, what size thread is the switch you're looking for?

I see on this search: https://www.gmpartsgiant.com/parts/g...ch-366887.html that it notes the original P/N was superseded to 12388891. Looking for that number also leads to "discontinued" however there is one on ebay, the appearance is different from original, but the function may be the same...does this look like it is the correct thread dia? The one on ebay: https://www.ebay.com/itm/212-354-AC-...kAAOSwNxlbNVtQ
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Devin

1983 GMC High Sierra 2500, 4x4, RC/LB, 400 S.B., SM-465, NP-208, Corporate 10 bolt & 9.5" 14 bolt
1996 GMC Sierra SLE 3500 DRW, 4x4, EC/LB, Vortec 454, NV-4500, BW-4401, AAM 925 & AAM 1050
1997 GMC Sierra SLT 1500 4x4, Z71/F44, EC/SB, Vortec 350

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