Chevrolet DB90 Series, Руководство по обслуживанию

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Sec. 12-217
SERIES 90 TILT CAB MODELS
Information applicable to the junction block
used on S e r ie s 90 Tilt Cab M odels rem ains the
sam e as covered under "C hassis Junctions" in
CHASSIS ELECTRICAL AND INSTRUMENTS (SEC.
12) page 12-5 in S erv ice Manual ST 135-70 except
a s follows:
CHASSIS ELECTRICAL AND INSTRUMENTS
junction block mounted on the con sole circu it
b reaker and junction panel are shown in the tabu­
lation which follow s: The tabulation lis t s each
term in al number, the circu it it c a r r ie s , and the
s iz e , color, and pattern of w ir e s which connect to
each term in a l. T erm inal p ost num bers on w iring
diagram s appear in the sym bol {]) .
CHASSIS JUNCTION BLOCK (SERIES 90 TILT CAB MODELS) (SYMBOL Q )
T e r m in a l W ire
N o. C ir c u it S iz e C olor Code
1 ST O P, TAIL, DIRECTIONAL AND LICENSE LAM P
F r o m #4 T e r m in a l on M ain L igh t S w i t c h ....................................... 16 B rn .
To In stru m en t P an el H a r n e ss C onnector T e rm in a l "ES" . . 16 B rn .
To 6 -W ire S e m i-T r a ile r P l u g .......................................................... 14 B rn .
To 7 -W ire S e m i-T r a ile r P l u g .......................................................... 12 B rn .
2 DIRECTIONAL LAM PS (L .H .)
F ro m S p liced C onnection F ro m 8-W ay C onnector
F ro m D ir e c tio n a l and H azard W arning S w i t c h .................... 14 Y e ll.
To 6 -W ire S e m i-T r a ile r P l u g .......................................................... 14 Y e ll.
To 7 -W ire S e m i-T r a ile r Plug .......................................................... 12 Y e ll.
3 R .H . DIRECTIONAL LAM PS
F ro m 9-W ay C onnector F ro m D ir e c tio n a l and H azard
W arning Switch .................................................................................. 14 B lue
To In stru m en t P a n e l H a rn ess C onnector "HX" . . . . . . 16 G rn.
To 6 -W ire S e m i-T r a ile r P l u g .......................................................... 14 G rn.
To 7 -W ire S e m i-T r a ile r P l u g ................................................ 12 G rn.
4 TRAILER STOP LAM PS
F r o m T r a ile r E m e r g e n c y Stop L am p Sw itch "TRL" . . . . 16 R ed
To 6 -W ir e S e m i- T r a ile r P l u g ............................................ 14 R ed
To 7 -W ir e S e m i- T r a ile r P l u g .......................................................... 12 R ed
5 TRAILER I .C .C ., MARKER LAM PS
F r o m M arker Lam p Sw itch " O N " ..................................................... 16 B lk .
To I. C. C. M arker L a m p s .................................. .... ............................ 16 B lk .
To 6 -W ir e S e m i- T r a ile r P l u g .......................................................... 14 B lk .
To 7 -W ire S e m i-T r a ile r P l u g .......................................................... 12 B lk.
6 SPARE
To 7 -W ire S e m i-T r a ile r Plug .......................................................... 12 B lue
CIRCUIT BREAKERS
Information applicable to circu it breakers
u sed on v e h icle s covered by th is supplem ent r e ­
m ains the sam e a s covered under "Circuit B reak ­
ers" in CHASSIS ELECTRICAL AND INSTRU­
MENTS (SEC. 12) page 12-5 in S ervice Manual
ST 135-70 except a s follow s:
NOTE: Three b asic types of circu it b reak ers
a re u sed on v e h icle s covered by this supplem ent.
R efer to "Circuit B reak er Tabulation" at end of
th is section for circu it breaker am perage rating
and location on the v eh icle.
MANUAL RESET TYPE CIRCUIT BREAKER
(MODEL 90 ONLY)
A manual r e s e t type m aster circu it breaker
is u sed on S e r ie s 90 tilt cab m odels. C ircuit
breaker is mounted in con sole just below the head­
light sw itch knob and w ill disconnect all c ir c u its
except the headlight circu it when load ex ceed s 70
am ps. By pushing r e se t button, cir c u its can be r e ­
en ergized . If breaker trip s instantly (button pops
outward), or sig n s of e le c tr ic a l overload such as
a burnt sm e ll or sm oke appears, IMMEDIATELY
PULL MASTER CIRCUIT BREAKER BUTTON OUT
until white ring i s exposed. This should a lso be
done whenever console a c c e s s cover is reinoved.
DO NOT OPERATE VEHICLE LONGER THAN
"BA T"
BATTERY
JUNCTION BLOCK
HORN
RELAY
LOW AIR
PRESSURE
BUZZER
T-8
777
Figure
4 —Front Chassis Junction
(“ R”
M odels) (Typical)
CHEVROLET SERIES 70 90 HEAVY DUTY TRUCK SHOP MANUAL SUPPLEMENT