For 1990-2009 cars

# ELECTRICAL SCHEMATIC FOR TURN SIGNAL CIRCUIT UPDATED

SERVICE MANUAL UPDATE - ELECTRICAL SCHEMATIC FOR TURN SIGNAL CIRCUIT

#### VEHICLES AFFECTED: 1986-88 DELTA 88 (OLDSMOBILE ONLY) ------------------

The electrical schematic for the turn signal circuit in section 8A, page 110, of the C/H car section has been revised for the Delta 88 carline.

Please update the following pages in your 1986, 1987, 1988 C/H Chassis Service Manuals with Figure 1.

1988 Model Year - Section 8A, pages 110-9

1987 Model Year - Volume II, Section 8A, page 110-11

1986 Model Year - Volume II, Section 8A, page 110-7

Please note in Section 8B of these service manuals that the correct rear turn signal bulb used on the 1986, 1987 and 1988 Delta 88 is bulb number 2056.

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.