My 89LS is also equipped with a powered sunroof.

I also happen to have a spare sunroof assembly from another parted 89 LS if anyone is interested in trying to get it to work on their non-equipped truck.

I thnk sunroofs may have been a fairly common option in 89-91 LS equipped trucks.

89 Montero LS 3.0L/Auto
90 MightyMax 2.4L/Man

Parted/gone - parts available!
89 Montero LS 3.0L/Auto [Blue/Blue] (2 of 2)
89 Conquest SHP
88 Conquest SHP
87 Dodge Raider 2.6L/Auto
91 Montero RS 3.0L/Auto

Others: 37 Lincoln