AA & AP Bodies
- Turn ignition on. DO NOT start engine. Low oil pressure warning light should come on as a bulb test and to indicate no oil pressure.
- If light fails to come on, remove connector from combination oil sending unit located on engine. See Figure and Figure . Using jumper wire, ground switch (light) terminal of connector to engine. See Figure .
- With ignition on, low oil pressure light should come on. If light fails to come on, check for defective bulb, socket or wiring. If light does come on, check combination oil sending unit circuit for proper operation. See COMBINATION OIL SENDING UNIT TEST under TESTING.