Loader Bobcat 773. Manual - part 71

BATTERY FEED 1000-1999 RED, RED/WHT, RNG
GROUND 2000-2999 BLK
MONITORING 3000-3999 LBL
HYDRAULIC 4000-4999 LGN
ATTACHMENT CONTROLS 5000-5999 YEL
LIGHTS 6000-6999 PNK
ACCESSORIES 7000-7999 WHT
ENGINE 8000-8999 TAN
COMMUNICATION 9000-9999 PUR

WIRES CONNECT BY LETTER 
ACROSS CONNECTORS

A

B

B

A

RED = RED
RNG = ORANGE
BLK = BLACK
LBL = LIGHT BLUE
DBL = DARK BLUE
LGN = LIGHT GREEN
DGN = DARK GREEN
YEL = YELLOW
PNK = PINK
WHT = WHITE
BRN = BROWN
TAN = TAN
PUR = PURPLE
GRY = GRAY

SOME CONNECTOR 

BODIES NOT SHOWN 

FOR DRAWING CLARITY

V-0112 (6-15-01)

Printed in U.S.A.

ADVANCED HAND CONTROL

 (WITH FLOAT BUTTON) -

RIGHT STEERING LEVER - 6675748 and

LEFT STEERING LEVER - 6675747

A

B

H

G

C

F

E

D

A

B

H

G

C

F

E

D

RNG

RNG/DBL

BRN

DGN

YEL

BRN/BLK

BRN/DGN

BRN/RED

WHT

WHT/RED

WHT/BLK

PWM

C

E

D

RIGHT HANDLE

DGN

PNK/DGN

PNK/BLK

PNK/RED

TWO

SPEED/

WATER KIT

F

G

B

H

DETENT

C

B

A

RNG

WHT/LGN

LGN

D

YEL

TILT

CONTROL

E

F

SKI 

CONTROL

RNG/WHT

A

TURN 

SIGNAL

YEL

DGN

BRN

LEFT HANDLE

A

B

A

C

F

H

G

BLK/WHT

PUR/WHT

RED/WHT

LIFT

CONTROL

PUR

FLOAT

SIGNAL

HORN

BLK

D

E

RED

TAN

PNK

PADDLE

MOMENTARY

B

C

RNG

A

AHC DIAGNOSTIC LED

RNG/BLK

A

B

YEL/RED

LIFT

TILT

DBL

A

B

WHT

SKI

CONTROL

C

6

3

1

C

4

3

7

C

4

0

6

o

r 

C

4

5

7

C

4

4

0

C

4

3

9

C

4

4

1

C

6

3

1

C

4

3

8

C

6

3

0

TO FLOAT BUTTON 
(THIS SHEET)

TO ATTACHMENT

TO JUMPER (THIS SHEET)

TO CONTROLS

TO LEFT HANDLE

(THIS SHEET)

TO CONTROLS
OR TO
 ATTACHMENT 

C406
C457

TO CONTROLS

TO CONTROLS

TO ATTACHMENT

ADVANCED HAND CONTROL 

F SERIES JUMPER

 HARNESS - 6728741 or 6730272

ADVANCED HAND CONTROL 

F SERIES FLOAT BUTTON

 HARNESS - 6727327

C

6

3

0

C

4

3

4

A

B

PUR

A

TO AHC 
CONTROLS

TO LEFT HANDLE 

(THIS SHEET)

-

+

OPTIONS

773 - WIRING SCHEMATIC

S/N 509635001 AND ABOVE

S/N 509616001-34999

(PRINTED JUNE 2001)

V-0112

TROUBLESHOOTING

Chart

The following troubleshooting chart is provided for
assistance in locating and correcting problems. Many of
the recommended procedures must be done by
authorized Bobcat Service Personnel only.

  1.

Alternator belt is loose or damaged.

  2.

Battery connections are dirty or loose.

  3.

Battery is damaged.

  4.

The ground connection is not making a good contact.

  5.

The alternator is damaged.

  6.

The engine is locked.

  7.

The starter is damaged.

  8.

The wiring or the solenoid is damaged.

  9.

Check the fuses.

PROBLEM

CAUSE

Battery will not take a charge.

1, 2, 3, 4, 5

Alternator will not charge.

1, 2, 5

Starter will not turn the engine.

2, 3, 4, 6, 7, 8, 9

KEY TO CORRECT THE CAUSE

Instructions are necessary before operating or
servicing machine. Read and understand the
Operation & Maintenance Manual, Handbook
and signs (decals) on machine. Follow
warnings and instructions in the manuals when
making repairs, adjustments or servicing.
Check for correct function after adjustments,
repairs or service. Untrained operators and
failure to follow instructions can cause injury
or death.

W–2003–0199

Revised Jan. 99

Revised June 01

773 BICS Loader

–6–3–

Service Manual