AutoZone posts wiring diagrams for many cars and trucks for free. It also has a vast amount of repair information, including diagrams of part locations, detailed instructions, etc. If you don't have a repair manual for your car, you can just about get by with this all by itself. However, not all cars are covered by this service. You'll just have to look and see if yours is.
Follow this link: www.autozone.com/shopping/vehicleSelect1.htm. Then select your year and make/model of car.
Now do the following: * Locate your car, year, make and model. * Select "Repair Info" at the left side of the screen. * Then select, "Vehicle Repair Guides" -> Chassis Electrical -> Wiring Diagrams
Because its a 1988 Buick LeSabre
You can get a wiring diagram for a 2000 Buick LeSabre at any auto parts store. A Buick dealership may also be able to give you a wiring diagram for free.
i need wiring diagram for 92 buick lesabre
Connect the wiring harness to the back of your 1995 Buick LeSabre stereo. Secure the stereo with the stereo retaining screws.
You can find the heater wiring diagram for a 1989 Buick LeSabre in the vehicle's owner's manual. You can also obtain it from various auto part stores.
in the gas tank
The starter on a 92 Buick LeSabre is replaced by disconnecting the battery, removing the retaining bolts, and lowering the starter. The wiring harness can then be disconnected and a new starter installed.
It probably is wiring or relay.
installdr.com
The license plate bulb on a 1998 Buick LeSabre is replaced by removing the retaining screws and disconnecting the wiring harness. The bulb can then be twisted from the socket and a new bulb installed.
Disconnect the 98 LeSabre battery. Remove the alternator belt. Remove the alternator wiring. unbolt the alternator, remove it, and bolt the new one on. Reconnect the wiring, but the belt on, then reconnect the battery.
The side marker bulbs on a 2002 Buick LeSabre are replaced by removing the retaining screws and disconnecting the wiring harness. The old bulb can then be removed and a new bulb put in its place.