Gen III PCMs - Small Block Chevy
From PartsWiki
The Powertrain Control Modules released to control Chevy's 3rd Generation Small Block V8 Engines
Identification
[edit | edit source]Gen III PCMs (like others) have a pair of identification numbers by which they can be differentiated.
Service Number
[edit | edit source]This is the top number on the label, abbreviated SERV. NO. on the printed label.
Hardware Number
[edit | edit source]This is the bottom number on the label, abbreviated HDW. NO. on the printed label.
