Chevrolet CHEVY VAN G10 SERIES Service Manual page 321

Circuit Circuit
Num ber C olor
124 Black Sw itch on Shift Lever to A dapter, or
125 Light Green S w itch to D iff. Lock-O ut Valve (Truck)
126 Brown Diesel Ignition - Buzzer to N o . 4
Dark Green Tw o-Speed A xle - S w itch on Shift
127
130 Color depends Generator (Alternator) External
on R esistance
Brown-W hite
Black-Pink
131 Brown L ow V acuum to Air Pressure
139 Pink-Black F eed , Ign. Sw . " O n " Controlled -
140 Orange
F eed , Battery - F used
141 Brown-W hite F eed Ign. Sw . A ccsy. C ontrolled
150 Black G round Circuit - D irect
151 Black G round Circuit - Direct
152 Black Ground Circuit - Direct
153 Black G round Circuit - D irect
154 Black Ground Circuit - Direct
Black G round Circuit - D irect
155
156 W hite G round Circuit - Sw itch C ontrolled -
W hite Black
157
158 White Dark
Green
159 Black-Purple G round - K ey Warning Buzzer
162 Gray Power Top-Up
Purple Power T op D ow n
163
164 Dark Blue W indow C ontrol - L . F . - Up
165 Brown W indow C ontrol - L. F . D ow n
166 Dark Blue- W indow C ontrol - R .F . -Up
White
167 Tan W indow C ontrol - R .F . - D ow n
168
Dark Green W indow C ontrol - L.R . - Up
169 Purple W indow C ontrol - L .R . - D ow n
170 Light Green W indow C ontrol - R .R . - Up
171 Purple-White W indow C ontrol - R .R . - D ow n
178 Dark Green Power Seat - 6-W - Fore and A ft
NOTE: Ground circuit num bers used in the order as listed, depending on the number o f circuits at any one tim e.
*When N o . 35 circuit d oes not apply (norm ally on V ehicles w ith b o th Telltale Light and Standard Tem perature Gauge.)
ELECTRICAL C IR C U IT ID E N T IF IC A T IO N (Cant'd.)
Circuit Name
to M otor on Rear A xle (L ow ), or
to Adaptor (L ow ) (Truck)
" L " on V oltage Regulator (Truck)
Lever to M otor on Rear A xle
(H igh) (Truck)
R esistance
2 ohm s per fo o t
1 ohm per fo o t
Warning Light to Sw itch (Truck)
Fused
Fused
B od y Interior Lam ps - such as D om e,
C ourtesy, Map, Warning, etc.
E L E C T R IC A L - B O D Y A N D CHASSIS 12-21
Circuit
Circuit
Num ber Color
Tan
179 Power Seat - 6-W - S olen oid - Rear -
U p and D ow n
180 Light Green Power Seat - 6-W - S olen oid - Frt. -
Up and D ow n
Light Blue
181 Power Seat - Solenoid -
Fore and A ft
182 Y ellow
Power Seat - 6-W - A ft and D ow n
183 Light Blue Tailgate - W indow - Up
184 Tan-White
Tailgate - Window - D ow n
Dark Green
189 Pow er Seat - 4-W - Fore and Dow n
1 90 Y ellow
Power Seat - 4-W - A ft and Up
Light Green
191 Power Seat - 4-W - Solenoid -
U p and D ow n
192 Purple
D efogger - High or Single Speed
193 White-Purple D efogger - Low Speed - .38 o h m /ft.
& Orange
Light Green
198 In-Car Sensor to Control
199 Brown Rear Seat Speaker - F eed from Radio
L eft Stereo
200 Light Green Front Speaker - F eed from Radio -
Single or Right Stereo
Tan
201 Front Speaker - F eed from Radio -
L eft Stereo
Black
202 Com pressor over Heat Sw itch to
Thermal Lim iter
Red-White
203 Rear Air C onditioning
P oten tiom eter Feed
2 0 4 Brown A m bient Tem perature S w itch
to Thermal Lim iter (Feed)
W hite-Black
205 Seat Belt Seat Sensor to
B elt Retractor (Ground)
2 0 6 Black Neutral Start Sw itch to Buzzer
and Lamp
Yellow -Black
2 07 Seat Sensor to Neutral
Start Sw itch
Black
2 08 Sw itch C ontrolled Ground - TCS
2 09 Purple Park Brake Warn Lamp
2 39 Pink-Black F eed , Ign. Sw . "O n" C ontrolled -
Fused
Orange
2 4 0 F eed , Battery - Fused
Brown-W hite
241 F eed Ign. Sw . A ccsy . C ontrolled - Fused
3 40 Orange F eed , Battery - Fused
Circuit Name
C H E V Y V A N SH O P M A N U A L