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MM1 to 2005 Chevy 2500

Discussion in 'Fisher Engineering Discussion' started by mountainalien, Dec 29, 2008.

  1. mountainalien

    mountainalien Junior Member
    Messages: 1

    I just blew my engine in my 1991 Chevy 2500. I want to install my 1998 MM1 (from the 91 chrevy on my 2005 Chevy 2500 Duramax. The plow and truck have the 12 pin and relay light set up (not iso module) Can I use the 12 pin/relay set up on my 2005 Chevy 2500? If not what do I need? Help! Thanks