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Reply to "Adding a strobe warning light to my GS-4"

Agent Cal,

Is yours an original 1989 (brass) GS-4 light/smoke power supply board? I believe the Williams board had a 7805 (5v) regulator, as the Suethe smoke unit was a 5 volt model. 

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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