12 Shift Indicator Lamp Circuit (Code 37)

1. With ignition switch in the Off position, disconnect logic module white electrical connector.
2. Connect a jumper wire between white electrical connector terminal No. 15 and ground.
3. Place ignition switch in Run position and note if shift indicator lamp is illuminated.
4. If lamp is illuminated, replace logic module.
CAUTION: Before replacing the logic module make sure the terminal in cavity No. 15 is not crushed so that it cannot touch the logic module pin.
5. If lamp is not illuminated, check bulb. If bulb is satisfactory, check for open circuit in wiring or check for ignition feed voltage to lamp.