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*gmachinz* · 06-19-2018, 08:50 AM

The 78-83 style motor is a direct swap out for the 73-77 style BUT-you need to go to the boneyard and grab the little linkage bracket that bolts to the motor shaft-the 73-77 wiper motors have a different size.

06-19-2018, 08:50 AM	#10
gmachinz Account Suspended Join Date: Jun 2011 Location: Des Moines, IA. Posts: 4,143	Re: Project update on 1977 GMC High Sierra Ole Farm truck The 78-83 style motor is a direct swap out for the 73-77 style BUT-you need to go to the boneyard and grab the little linkage bracket that bolts to the motor shaft-the 73-77 wiper motors have a different size.