Where is the ecm located on a 1991 Chevy Suburban?

The ECM (Engine Control Module) on a 1991 Chevy Suburban is typically located under the hood, on the driver's side. However, the exact location can vary slightly depending on the engine and trim level. It's usually attached to the inner fender well or firewall, often near the brake booster. It's a fairly large, rectangular black box with numerous connectors.

To be certain, you should:

* Consult your owner's manual: This is the best source for the exact location in your specific vehicle.

* Check online forums: Searching for "1991 Chevy Suburban ECM location" on forums dedicated to classic Chevy trucks and SUVs may reveal photos and specific instructions from other owners.

Don't be afraid to look carefully around the area mentioned above. The ECM is usually relatively easy to spot once you know what to look for.