Starter relay and wiring?

Under the left hand of the instrument panel, above the instrument panel fuse block. Look just left of the steering column support and on a bracket beside the main wiring conduit. You will have to remove the fuse block cover and panel.

Starter Enable Relay Behind left side of dash, left of steering column.

This guide can help as well:

https://www.2carpros.com/articles/how-to-replace-a-starter-motor

Here is the starter wiring diagrams as well. Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.

Start by removing ground on battery. There are two 10mm screws that hold a plastic cover around starter and flywheel area. Remove that cover. Then there are two 15mm bolts that hold starter to engine block. remove those bolts. Rest starter on engine cradle carefully and remove 12volt battery cable and starter input wire. This guide will help walk you through the job

https://www.2carpros.com/articles/how-to-replace-a-starter-motor

Please let us know if you need anything else to get the problem fixed.

There should be two black plastic covers at the front of the starter. Remove them. They are held on with 3 bolts. Remove the starter wires. Remove the two starter bolts.

The solenoid is mounted on top of the starter. That's where the battery cable and the control wire connect to the starter.

The starter is on the left side of the engine block down low here is a guide and a diagrams below to help you change the starter motor out.

https://www.2carpros.com/articles/how-to-replace-a-starter-motor

if the start is not working this guide will help

https://www.2carpros.com/articles/starter-not-working-repair

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

Cheers

Hi:
First, disconnect the battery. Next, remove the wiring to the starter. Finally, unbolt the two wires to the starter (Holding starter to the bell housing). The starter will now come out. Replace the new one in the reverse order.

Joe

Yes, you can do what you suggested. However, make sure you get a quality part and replace any covering the original wire may have to eliminate the possibility of a short.

1997 Buick LeSabre V6-3.8L VIN K

Starter Replacement:
Starter Motor Mounting

REMOVE OR DISCONNECT
1.Negative battery cable.
2.Raise vehicle.
3.Splash shield.
4.Bolts to flywheel inspection cover.
5.Flywheel inspection cover.
6.Starter wiring.
7.Starter mounting bolts.
8.Starter.

INSTALL OR CONNECT
NOTICE: Before installing starter motor to engine, he sure electrical terminals are secure by tightening nuts next to cap on solenoid battery terminal and on the SD-255 "S" terminal. If these terminals are not tight in solenoid cap, the cap may be damaged during installation of electrical connections and cause starter to fall later.

1.Starter.
2.Starter mounting bolts. Tighten
*Bolts to 43 N.m (32 lb. ft.) .
3.Starter wiring. Tighten
*Nut on solenoid battery terminal to 16 N.m (12 lb. ft.) .
*Nut on "S" terminal to 2.5 N.m (22 lb. in.) .
4.Flywheel inspection cover. Tighten
*Bolts to 7 N.m (62 lb. in.) .
5.Splash shield.
6.Lower vehicle.
7.Negative battery cable. Tighten
*Cable bolt to 15 N.m (11 lb. ft.) .

Raise the vehicle. If you lie on your back, it will be in the very front of the motor, on the driver side.
This is not your motor, but the starter location is similar.