April 5, 2026: LEMON Manuals is launched! Read the announcement.

Wiring Diagrams

WARNING: This page is about a different car, the 1989 Cadillac Allante. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For more information on wiring, see 1989 CADILLAC -- ALLANTE SYSTEM WIRING DIAGRAMS article.

Fig 1: Data Line Wiring Diagram

G00083984

Courtesy of GENERAL MOTORS CORP.

Fig 2: Power & Ground Wiring Diagram (1 Of 2)

G00083982

Courtesy of GENERAL MOTORS CORP.

Fig 3: Power & Ground Wiring Diagram (2 Of 2)

G00083985

Courtesy of GENERAL MOTORS CORP.

Fig 4: Back Up Lights Wiring Diagram

G00084037

Courtesy of GENERAL MOTORS CORP.

Fig 5: Exterior Lights Wiring Diagram (1 Of 4)

G00084032

Courtesy of GENERAL MOTORS CORP.

Fig 6: Exterior Lights Wiring Diagram (2 Of 4)

G00084033

Courtesy of GENERAL MOTORS CORP.

Fig 7: Exterior Lights Wiring Diagram (3 Of 4)

G00084034

Courtesy of GENERAL MOTORS CORP.

Fig 8: Exterior Lights Wiring Diagram (4 Of 4)

G00084036

Courtesy of GENERAL MOTORS CORP.

Fig 9: Interior Lights W/Illuminated Entry Wiring Diagram (1 Of 5)

G00084038

Courtesy of GENERAL MOTORS CORP.

Fig 10: Interior Lights W/Illuminated Entry Wiring Diagram (2 Of 5)

G00084040

Courtesy of GENERAL MOTORS CORP.

Fig 11: Interior Lights W/Illuminated Entry Wiring Diagram (3 Of 5)

G00084041

Courtesy of GENERAL MOTORS CORP.

Fig 12: Interior Lights W/Illuminated Entry Wiring Diagram (4 Of 5)

G00084042

Courtesy of GENERAL MOTORS CORP.

Fig 13: Interior Lights W/Illuminated Entry Wiring Diagram (5 Of 5)

G00084044

Courtesy of GENERAL MOTORS CORP.

Fig 14: Lighting Data Line Wiring Diagram (1 Of 7)

G00083986

Courtesy of GENERAL MOTORS CORP.

Fig 15: Lighting Data Line Wiring Diagram (2 Of 7)

G00083988

Courtesy of GENERAL MOTORS CORP.

Fig 16: Lighting Data Line Wiring Diagram (3 Of 7)

G00083989

Courtesy of GENERAL MOTORS CORP.

Fig 17: Lighting Data Line Wiring Diagram (4 Of 7)

G00083990

Courtesy of GENERAL MOTORS CORP.

Fig 18: Lighting Data Line Wiring Diagram (5 Of 7)

G00083992

Courtesy of GENERAL MOTORS CORP.

Fig 19: Lighting Data Line Wiring Diagram (6 Of 7)

G00083993

Courtesy of GENERAL MOTORS CORP.

Fig 20: Lighting Data Line Wiring Diagram (7 Of 7)

G00083994

Courtesy of GENERAL MOTORS CORP.

Fig 21: Speed Dependent Damping Wiring Diagram (1 Of 3)

G00084043

Courtesy of GENERAL MOTORS CORP.

Fig 22: Speed Dependent Damping Wiring Diagram (2 Of 3)

G00084047

Courtesy of GENERAL MOTORS CORP.

Fig 23: Speed Dependent Damping Wiring Diagram (3 Of 3)

G00084027

Courtesy of GENERAL MOTORS CORP.