The 1999 Oldsmobile headlamp module is located on the firewall in the engine compartment. The headlamp module will be on the drivers side of the firewall.

In order to remove the headlamp of a Toyota Hiace, you must first remove the screws holding it in place. Then disconnect the electrical connector at the back of the lamp. You can then remove the headlight itself.

9007 QL 9007 (LL optional)

Good question - I think they use Fresnel prisms - anyone know if they are reuseable?

Remove the wiring harness from the back of your 1999 Chevy Astro headlamp. Remove the headlamp retaining bolts. The headlamp will come out. Reverse the process to install the new headlamp.