A fuse usually blows when there is a short. It's possible you have a short in the wiring someplace.
The trunk
This varies with model year.
.
yes.under left side of dash
Bulbs or turn signal flasher, maybe even the switch.
Could be a burnt out bulb or a bad flasher unit.
More than likely the Flasher Relay is bad.
replace the combination switch on the turn signal stalk
Where is the thermostat located on a 1987 Buick LeSabre?
Because its a 1988 Buick LeSabre
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1995 Buick LeSabre how do i reset my radio