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73-87 Chevy _ GMC Trucks => 73-87 Chevy & GMC Trucks => Topic started by: tucsonjwt on July 15, 2010, 09:27:53 pm

Title: Location of vacuum switch on 83 C20
Post by: tucsonjwt on July 15, 2010, 09:27:53 pm

Does anyone know where this vacuum switch is located on my 83 C20? AC Delco p/n 15-71518?

Title: Re: Location of vacuum switch on 83 C20
Post by: beastie_3 on July 16, 2010, 01:16:38 pm

Im guessing AC and heater controls.