Chevrolet DB90 Series, Руководство по обслуживанию

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S ec. 12-
CHASS
212________________________________________
S ELECTRICAL AND INSTRUMENTS
ENGINE H A R NESS-TO -INSTRUM ENT PANEL HARNESS BULKHEAD CONNECTOR
(CONVENTIONAL CAB MODELS) (S Y M B O L 0 ) (C O N T 'D .)
T e rm in a l
L e tte r j C ircu it
W ire
S ize
C o lo r-C o d e
EZ
FU
FV
FX
GU
GV
GX
HU
HW
HX
JU
JW
JX
B A C K -U P LAM P
F rom B ack -U p Lam p Sw itch ..............................................................
To #10 Junction on 1 2 -P o s t Junction B l o c k ........................ ....
O PEN
O PEN
OPEN
OPEN
OPEN
O PEN
OPEN
E LEC TRIC TW O -SPE E D W /S WIPER & WASHER
F r o m W iper S w itch "LO" .........................................................................16
To W /S W iper & W asher M otor #3 T e r m i n a l..................................16
W /S WIPER & WASHER FE E D
F rom A c c e s s o r y B u s Bar 15-A m p . F u se . ............................. . 16
To W /S W iper M otor & W ash er #2 T e r m in a l ............................. 16
O PEN
W /S WIPER & WASHER "HI" SPE ED
F rom W /S W iper and W ash er Switch " H I " .......................................16
To W /S W iper M otor #1 P a rk Switch T e r m i n a l .........................16
W /S WASHER
F r o m W /S W asher S w i t c h ........................................................................ 18
To W /S Wiper M otor & W asher #1 T e r m i n a l ............................. 16
16 B lk.
16 G r n .-W h t. C r. T r.
B lk.
B lk.
Y e l l.
B lk.
B lu e-W h t. C r. T r.
B lk.
B lue
B lk .
CHASSIS JUNCTIONS
Terrtiinal p o sts on junction blocks a re num­
b ered to
b o ls on
Diagram;
correspond with num bers shown in sy m -
applicable w iring diagram s in "Wiring
in Section 12 of the 1970 Heavy Duty
Truck S ervice Manual ST135-70.
CONVENtlONAL CAB MODELS
The c h a s s is junction block (fig. 2) is located
on right-hand sid e p in e l between the door p illar
and back of cab. The junction block cover m ust be
rem oved for a c c e s s to junction term in a ls.
NOTE: On som e m odels, the w iring connec­
tion s a re made by u se of mating con n ectors. R efer
to applicable w iring diagram s for arrangem ent of
w iring.
The tabulation which follow s lis t s each te r m ­
inal num ber, 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 dia­
gram s appear in the sym bol O ■
CHASSIS JUNCTION BLOCK (CONVENTIONAL CAB MODELS) (S Y M B O L Q )
T e r m in a l
N o.
W ire
C irc u it
TRAILER MARKER LAMPS
F r o m B a tter y B us B ar 2 0 -A m p . F u s e . ........................
To T r a ile r I, C. C. M arker Lam p R e la y #1 T e r m in a l
TRAILER CABLE L .H . DIRECTIONAL LAM P
F r o m S p liced C onn ection F ro m 8-W ay C onnector
To 7 -W ir e S e m i-T r a ile r P l u g ............................................
STO P, TAIL, DIRECTIONAL AND LICENSE LAM PS
F ro m L igh t Switch #4 T e r m i n a l .......................................
To 4-W ay C onnector To Stop, T a il, D ir e c tio n a l
To 7 -W ire S e m i-T r a ile r P lu g ...........................................
A X LE SHIFT SWITCH (WHEN USED)
F r o m A c c e s s o r y B u s B a r 2 0 -A m p . C irc u it B r e a k e r ,
To A x le Shift S w i t c h ............................................................... ....
To A ir P r e s s u r e S w i t c h ..................................................... ....
REAR MARKER LAM PS
F ro m M arker B link Sw itch ................................................
To T r a ile r I .C .C . M arker L am p R e la y #3 T e r m in a l ,
To R ear I. C. C. M arker L am p s ......................................
S ize C olor Code
16 B lk.
14
P p l.
14 Y e ll.
14 Y e ll.
12 Y e ll.
16 B r n .
16 B r n .
14 B rn .
12 B rn.
14
Wht. -2 R ed T r .
14 Pink
16 B lk .
16 B lk .
14
Dk. G rn.
14
B lk.
CHEVROLET SERIES 70-90 HEAVY DUTY TRUCK SHOP MANUAL SUPPLEMENT