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Order NOW
You can order
either DVD or VHS tape for $12, shipping included Send check or money order to: Intermedia or contact Toby Maki at: tmaki@pe.net You will be amazed at
how much you get from watching Duane doing the preventative maintenance
live on video. He has so many hints during the presentation that
are just not covered in the printed version. This is very useful.
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Duane Simmons has hosted a lot of technical seminars on various GMC related subjects over the years. Here are few of them for your perusal.
Interactive Trouble Shooting Guide
Just fill out, save, and email
What Every GMC Owner Should Know
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