The starter relay on a 1999 GMC Suburban with the bib block engine is located on the solenoid for the starter. The solenoid for the starter is on top of the starter.
Inside fuel tank,
a defective starter switch
In a 1999 GMC Suburban, the starter is located on the driver's side of the engine, mounted to the transmission bell housing. It is positioned near the bottom of the engine, making it somewhat accessible from underneath the vehicle. To replace or inspect the starter, it's often necessary to lift the vehicle for better access.
On a 1997 GMC Suburban, the starter solenoid is typically mounted on the starter motor itself, which is located on the passenger side of the engine block near the transmission. You can access it by removing the protective cover, if present, and disconnecting the battery for safety before working on the starter. The solenoid is a cylindrical component attached to the starter and has electrical connections for the battery and ignition system.
It is screewed into the side of the engine block, right in front of the starter.
I have a 96 2.2 and had to drop the exhaust from the manifold in order to change the starter. and goos luck.
On a 1996 GMC Suburban, the relay is typically located in the fuse box under the hood. This fuse box is situated near the driver's side of the engine compartment. For specific relays, such as the fuel pump or starter relay, you may need to refer to the diagram on the fuse box cover for exact placement. Additionally, there may be a secondary relay panel under the dashboard on the driver's side.
I had this happen on an 88 GMC Suburban. Took a while to find it. Turned out to be a ground wire under the dash
where is the starter located on a 2004 chevy suburban
How do you replace a starter in a 1999 suburban
Slide in under the truck behind the passenger side front wheel. Look UP at the rear side of the engine and you will see the starter. It will have 2 bolts holding it on.