transmision question on 1990 GMC 3500 Pickup

what transmission came stock in a 1990 gmc dually 4x4

by in Millville, NJ on August 25, 2010
1 answer 1 comment
ANSWER by on August 25, 2010
3 speed, the turbo 400 was an option. overdrive is a 700 R4 use your vin and call the dealer parts and they will tell you. Roy
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COMMENT by on September 05, 2010
thanks roy your info was helpful. iwent and purchased a 700r for it though already i was told it will work fine. will plugs all work though? meaning electrical plugs.

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