Chevrolet BEAUVILLE SPORTVAN G10 SERIES, Service Manual

Page: 312 / 350

E L E C T R IC A L -B O D Y A N D CHASSIS 12-12
12 VOLTS ;
BATTERY
\\
IGNITION
SWITCH
PARK
S W I T C H
(closed
during park-Vj.
ing cycle) f \ X _
CIRCUIT
BREAKER
DASH
SWITCH
BLACK WITH
PINK STRIPE
S t a n d s
BLACK
WIPER TERMINAL
BOARD
RESISTOR
20 OHMS
S P L IC E 'S !
“ ^ S E R I E S FIELD
MOTOR ^SHUNT FIELD
(PARKING C IR C U IT )
LEGEND
POWER CIRCUIT TO SERIES FIELD
SERIES FIELD AND ARMATURE CIRCUIT
SHUNT FIELD CIRCUIT
Fig. 1 6 - P A R K IN G C ircuit
D IA G N O SIS C H A R T
Wiper Performs C orrectly in S tep “ B ”
But O R IG IN A L T R O U B L E Was
POSSIBLE C A U SE
1 -W iper - n o voltage supply at wiper
(B low n fuse or o p en in wire
that co n n ects to N o . 2 wiper
term inal.)
- D e fe c tiv e Dash S w itch
-W ir e from Wiper Term inal
N o . 1 to dash sw itch open.
2 - W ip e i w ou ld n ot shut o f f b u t had:
(a) B oth LO & HI speeds
(b) LO speed on ly
(c) HI speed only
(a) Wire from w iper term inal N o . 1 to
dash sw itch grounded.
(b) Wire from wiper term inal N o . 3
to dash sw itch grounded.
(c) Wire from w iper term inal N o. 3
to dash sw itch op en .
3 -W ip e r had “H I” speed on ly
S ee item 2 (c) above
4 -W ip e r had “ LO ” speed only
S ee item 2 (b ) above
5 -In te r m itte n t O peration L oose dash sw itch m ounting.
D efectiv e dash sw itch.
Poor wiring con n ection s.
C H E V Y V A N S H O P M A N U A L