This information is very useful when swapping out a later model Monte Carlo dash and/or gauge cluster into your Malibu
| CIRCUIT | COLOR | CONNECTS TO |
| 40 | Orange | Battery-Fused |
| 8 | Gray | Panel Lights |
| 237 | Yellow | Seat Belt Warning |
| 31 | Tan | Oil Pressure |
| 35 | Green | Coolant Temp |
| 33 | Tan/White | Brake Warning |
| 39 | Pink/Black | Ignition Switch |
| 25 | Brown | Volt Reg |
| 30 | Pink | Fuel Gauge |
| 15 | Dk. Blue | RH Turn |
| 14 | Lt. Blue | LH Turn |
| 150 | Black | Ground |
| 11 | Lt. Green | Hi Beam |
| Wiring for ’81-88 Monte Carlo |
| CIRCUIT | COLOR | CONNECTS TO |
| 40 | Orange | Clock |
| 8 | Gray | Panel Lights |
| 237 | Yellow | Seat Belt Warning |
| 31 | Tan | Oil Pressure |
| 35 | Dk. Green | Coolant Temp |
| 33 | Tan/White | Brake Warning |
| 39 | Pink/Black | Battery Fused |
| 25 | Brown | Volt Reg |
| 30 | Pink | Fuel Gauge |
| 15 | Dk. Blue | RH Turn |
| 14 | Lt. Blue | LH Turn |
| 150 | Black | Ground |
| 11 | Lt. Green | Hi Beam |
| 489 | Yellow | Check Engine |
| 931 | Dk. Green/White | Choke |
| 121 | White | Tach |
Information courtesy of Cassidy Chase
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