October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Electronic Spark Control Module
Engine Compartment Components.:
Center Of Dash Panel, In Engine Compartment
Applicable to: 1991 Blazer, Jimmy, S10 & S15 w/4.3L/V6-262 Engine