Lamp Bulbs; Cluster Illumination Lamps; Lamp Bulb Replacement; Four Wheel Drive Indicator Lamp - Dodge D150 1990 Service Manual

8E - 14 INSTRUMENT PANEL AND GAUGES
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LAMP BULBS
CLUSTER LLUMINATION LAMPS
T u r n S i g n a l I n d i c a t o r Lamps
Low O i l Pressure I n d i c a t o r L a m p
H i g h B e a m I n d i c a t o r L a m p
Gate Open L a m p
Seat B e l t W a r n i n g L a m p
REMOVAL
(1) Disconnect b a t t e r y negative cable.
(2) Remove i n s t r u m e n t cluster. See cluster re-
moval.
(3) T w i s t l a m p socket assembly and remove from
p r i n t e d c i r c u i t board.
(4) Remove b u l b f r o m socket.
INSTALLATION
(1) I n s t a l l b u l b i n t o socket.
(2) I n s t a l l socket assembly i n t o p r i n t e d circuit
board.
(3) Position cluster i n t o place i n panel. See cluster
i n s t a l l a t i o n .
(4) Connect b a t t e r y negative cable.
LAMP BULB REPLACEMENT-MESSAGE CENTER
REMOVAL
(1) Disconnect b a t t e r y negative cable.
(2) Remove i n s t r u m e n t cluster bezel assembly. Re-
fer t o I n s t r u m e n t Cluster removal.
(3) T w i s t l a m p socket assembly and remove from
p r i n t e d c i r c u i t board.
(4) Remove b u l b f r o m socket.
INSTALLATION
(1) I n s t a l l b u l b i n t o socket assembly.
(2) I n s t a l l l a m p socket assembly into p r i n t e d cir-
cuit board.
(3) I n s t a l l I n s t r u m e n t Cluster bezel assembly t o i n -
s t r u m e n t panel. Refer t o I n s t r u m e n t Cluster i n s t a l l a -
t i o n .
(4) Connect b a t t e r y negative cable.
FOUR WHEEL DRIVE INDICATOR LAMP
(1) P u l l b u l b a n d socket assembly f r o m r e a r o f
housing.
(2) Remove b u l b f r o m socket.
(3) Reverse removal procedures to i n s t a l l .
SPECIFICATIONS
Fuel Gouge Calibration
Pointer Position
Resistance
Empty Graduation 90 ohms ± 3 ohms
Empty Stop Greater than 96.5 ohms
Full Graduation 12 ohm ± 3 ohms
Full Stop Less than 8 ohms
1/2 45.3 ohms ± 3 ohms
Temperature Gauge Calibration
Pointer Position Resistance
Cold Graduation 655 ohms
Hot Graduation 64 ohms
Oil Pressure Gauge Calibration
Pointer Position Resistance
Low Graduation
100 ohms
High Graduation
12 ohms
J908E-58