The swtich for the glove box light is in the cover for the lamp -- a post sticking straight out. If it's broken off, you need a new assembly (or to go dumpster diving at a U-Pullit). If it's there, make sure the glove box door is closing all the way and the box itself is attached (eight little plastic "push lock plugs". The latch bar is held in place by two screws that go into a captive plate hooked over the metal frame -- if not in place or not hooked, the door won't close far enough. Also, the screws for the hinge can pull out with use.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!