OIL PRESSURE GAGE DOES NOT OPERATE - continued

TM 10-3930-673-20-1

Remove rings bracelets watches, necklaces, and any other jewelry before working around vehicle. Jewelry can catch on

equipment and cause injury or short across electrical circuit and cause severe burns or electrical shock.

Battery acid is harmful to skin and eyes. Always wear eye protection when working with batteries.

VOLTAGE TEST

OIL

SCREW

INSTRUMENT

PRESSURE

PANEL

(1) Remove battery cover (Para 8-42).

GAGE

(2) Disconnect negative battery cable from

negative side of battery (Para 8-42).

(3) Remove four screws from right-hand

instrument panel.

(4) Set multimeter to volts dc.

(5) Lift right-hand instrument panel out to

reach oil pressure gage.

(6) Connect multimeter positive lead (+) to

oil pressure gage where wire 10

connects.

(7) Connect multimeter negative lead () to

known good ground.

(8) Connect negative battery cable to

negative side of battery (Para 8-42).

(9) Turn engine start switch to START

position, (TM 10-3930-673-10).

(a) If 24 vdc is present, go to Step 3 of

this fault.

(b) If 24 vdc is not present, repair

wire 10 (Para 8-48).

(10) Turn engine start switch to OFF

ENGINE

position (TM 10-3930-673-10).

(11) Disconnect negative battery cable from

START

negative side of battery (Para 8-42).

SWITCH

WIRE 10

TR01494

2-561