GM Service Manual Online
For 1990-2009 cars only
Table 1: Auxiliary Power Outlet (Oldsmobile)
Table 2: Cigar Lighter
Table 3: Ignition Switch C1
Table 4: Ignition Switch C2
Table 5: Junction Block C1, Left Side
Table 6: Junction Block C2, Left Side
Table 7: Junction Block C3, Left Side
Table 8: Junction Block C1, Right Side
Table 9: Junction Block C2, Right Side
Table 10: Junction Block C3, Right Side
Table 11: Underhood Junction Block C1 (LD9 Only)
Table 12: Underhood Junction Block C1 (LA1 Only)
Table 13: Underhood Junction Block C2
Table 14: Underhood Junction Block C3 (Oldsmobile Only)
Table 15: Underhood Junction Block C4
Table 16: Underhood Junction Block C5
Table 17: Underhood Junction Block C6
Table 18: Underhood Junction Block C7

Auxiliary Power Outlet (Oldsmobile)


Object Number: 38228  Size: CH

Connector Part Information

    • 12047699
    • M Cigar Lighter (Pull to Seat)(GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

40

Fuse Output, Battery

B

BLK

150

Ground

Cigar Lighter


Object Number: 287951  Size: CH

Connector Part Information

    • 12176836
    • 3-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

40

Fuse Output, Battery

B

--

--

Not Used

C

BLK

150

Ground

Ignition Switch C1


Object Number: 258183  Size: CH

Connector Part Information

    • 12110075
    • 6-Way F Metri-Pack Mixed Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

RED

242

Fuse Output, Battery

B

YEL

5

Ignition Switch Output (CRANK)

C

ORN

300

Ignition Switch Output (Ignition 3)

D

LT GRN

80

Key Reminder Switch Signal

E

DK GRN

500

Ignition Switch Output (ACCY, RUN, CRANK)

F

--

--

Not Used

Ignition Switch C2


Object Number: 258182  Size: CH

Connector Part Information

    • 12162229
    • 6-Way F Metri-Pack Mixed Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

842

Fuse Output, Battery

B

PNK

3

Ignition Switch Output (Ignition 1)

C

BRN

4

Ignition Switch Output (ACCY)

D

--

--

Not Used

E

BLK/WHT

151

Ground-Clean

F

--

--

Not Used

Junction Block C1, Left Side


Object Number: 287970  Size: CH

Connector Part Information

    • 12193962
    • 68-Way F Metri-Pack 280 Series (BRN)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

BRN

4

Ignition Switch Output (ACCY)

A3

PPL

1807

Serial Data Signal, Class B, 10400 Baud (Primary)

A4

PNK

3

Ignition Switch Output (Ignition 1)

A5-A6

--

--

Not Used

A7

DK GRN

500

Ignition Switch Output (ACCY, RUN, CRANK)

A8-A11

--

--

Not Used

A12

ORN

1440

Fuse Output, Battery

B1

YEL

43

Fuse Output, ACCY

B2

YEL

143

Fuse Output, ACCY

B3

--

--

Not Used

B4

PNK

739

Fuse Output, Ignition 1

B5

--

--

Not Used

B6

YEL

1139

Fuse Output, Ignition 1, SIR

B7

PPL

1500

Fuse Output, Ignition 0

B8

--

--

Not Used

B9

PPL

1600

Fuse Output, Ignition 0

B10

--

--

Not Used

B11

ORN

1440

Fuse Output, Battery

B12

--

--

Not Used

C1

--

--

Not Used

C2

YEL

143

Fuse Output, ACCY

C3-C4

--

--

Not Used

C5

RED

442

Fuse Output, Battery

C8-C9

--

--

Not Used

C10

YEL

356

Power Door Lock Relay Feed-Coil (Driver Door Unlock)

C11

--

--

Not Used

C12

ORN

1140

Fuse Output, Battery

D1

YEL

243

Fuse Output, ACCY (Pontiac Only)

D2

PPL

1807

Serial Data Signal, Class B, 10400 Baud (Primary)

D3-D12

--

--

Not Used

E1

BLK/WHT

151

Ground-Clean

E2

--

--

Not Used

E3

PPL

1807

Serial Data Signal, Class B, 10400 Baud (Primary)

E4

LT BLU/BLK

14

Turn Signal Lamp Feed-LF

E5

--

--

Not Used

E6

DK GRN/WHT

817

Vehicle Speed Signal (4000 Pulses per Mile)

E7

ORN

1540

Fuse Output, Battery

E8

--

--

Not Used

E9

ORN

1732

Electronic Control Unit Output-12 Volt (Inadvertent Load Control)

E10

BLK

150

Ground

E11

--

--

Not Used

E12

RED

642

Fuse Output, Battery

F1

PNK/BLK

1379

Oil Change Reset Switch Signal

F2

WHT

156

Courtesy Lamp Output

F3

LT BLU

1344

Trunk Release Relay Output-Coil

F4-F7

--

--

Not Used

F8

WHT

194

Power Door Lock Relay Feed-Unlock Coil

F9

--

--

Not Used

F10

LT BLU

195

Power Door Lock Relay Feed-lock Coil

F11-F12

--

--

Not Used

Junction Block C2, Left Side


Object Number: 287971  Size: CH

Connector Part Information

    • 12176739
    • 30-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

LT BLU

20

Stop Lamp Feed

A2

WHT

156

Courtesy Lamp Output

A3

LT BLU/BLK

14

Turn Signal Lamp Feed LF

A4-A12

--

--

Not Used

B1-B3

--

--

Not Used

B4

LT GRN/BLK

394

Door Handle Switch Signal, Left Front

B5

TAN

201

Speaker Feed, Left Front

B8-B9

--

--

Not Used

B10

GRY

120

Fuel Pump Motor Feed

B11

--

--

Not Used

B12

PPL

420

Brake Pedal Switch Output (TCC)

C1

PPL

293

Rear Defogger Element Feed

C2

BRN

241

Fuse Output, Ignition 3

C3

--

--

Not Used

C4

DK GRN/WHT

1135

Brake Transaxle Shift Interlock Solenoid Feed

C5

GRY

118

Speaker Return, Left Front

C8

BLK

1576

Trunk Release Switch Output

C9

ORN

1732

Electronic Control Unit Output-12 Volt (Inadvertent Load Contrrol)

C10

BRN

199

Speaker Feed, LR

C11

--

--

Not Used

C12

YEL

116

Speaker Return, LR

Junction Block C3, Left Side


Object Number: 287972  Size: CH

Connector Part Information

    • 12176740
    • 30-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

ORN

140

Fuse Output, Battery

A2

GRY

295

Power Door Lock Motor Feed (LOCK)

A3

--

--

Not Used

A4

TAN

294

Power Door Lock Motor Feed (UNLOCK)

A5

PPL

1807

--

A8

ORN

540

Fuse Output, Battery

A9

BLK/WHT

56

Trunk Release Motor Feed

A10

LT BLU/BLK

14

Turn Signal Lamp Feed, LF

A11

WHT

156

Courtesy Lamp Output

A12

LT BLU

20

Stoplamp Feed

B1

PPL

420

Brake Pedal Switch Output (TCC)

B2

GRY

295

Power Door Lock Motor Feed (LOCK)

B3

GRY

120

Fuel Pump Motor Feed

B4

TAN

294

Power Door Lock Motor Feed (UNLOCK)

B5

ORN

1040

Fuse Output, Battery

B8

TAN

201

Speaker Feed, Left Front

B9

LT GRN/BLK

394

Door Handle Switch Signal, Left Front

B10

ORN

1840

Fuse Output, Battery

B11

LT BLU

20

Stoplamp Feed

B12

--

--

Not Used

C1

YEL

116

Speaker Return, LR

C2

TAN

694

Power Door Lock Motor Feed-Driver Door Unlock

C3

BRN

199

Speaker Feed, LR

C4

ORN

1732

Electronic Control Unit-12 Volt (Inadvertent Load Control)

C5

BLK

1576

Trunk Release Switch Signal

C8

GRY

118

Speaker Return, Left Front

C9

DK GRN/WHT

1135

Brake Transaxle Shift Interlock Solenoid Feed

C10

LT BLU

20

Stoplamp Feed

C11

BRN

241

Fuse Output, Ignition 3

C12

BLK

293

Rear Defogger Element Feed

Junction Block C1, Right Side


Object Number: 287970  Size: CH

Connector Part Information

    • 12193962
    • 68-Way F Metri-Pack 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A1

ORN

1740

Fuse Output, Battery

A2

ORN

340

Fuse Output, Battery

A3-A4

--

--

Not Used

A5

BRN

641

Fuse Output, Ignition 3

A6

--

--

Not Used

A7

BRN

1244

IP Lamp Feed

A8-B1

--

--

Not Used

B2

RED

1042

Fuse Output, Battery

B3

--

--

Not Used

B4

BRN

341

Fuse Output, Ignition 3

B5

--

--

Not Used

B6

BRN

441

Fuse Output, Ignition 3

B7

GRY

8

IP Lamp Feed

B8-B11

--

--

Not Used

B12

BRN

9

Park Lamp Feed

C1-C3

--

--

Not Used

C4

BRN

341

Fuse Output, Ignition 3

C5

ORN

300

Ignition Switch Output (Ignition 3)

C8-C11

--

--

Not Used

C12

BRN

9

Park Lamp Feed

D1-D12

--

--

Not Used

E1

--

--

Not Used

E2

DK BLU

15

Turn Signal Lamp Feed, Right Front

E3-E5

--

--

Not Used

E6,E7

GRY

8

IP Lamp Feed

E8-E11

--

--

Not Used

E12

YEL

32

Park Lamp Feed

F1

--

--

Not Used

F2

DK BLU

15

Turn Signal Lamp Feed, Right Front

F3

DK GRN/WHT

1317

Fog Lamp Relay Output-Coil

F4

PPL

34

Fog Lamp Feed

F5-F6

--

--

Not Used

F7

GRY

8

IP Lamp Feed

F8-F11

--

--

Not Used

F12

BRN

9

Park Lamp Feed

Junction Block C2, Right Side


Object Number: 287978  Size: CH

Connector Part Information

    • 12176741
    • 30-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

DK GRN

145

Power Antenna Relay Feed-Coil (Oldsmobile)

A3

DK GRN

117

Speaker Return, Right Front

A4-A12

--

--

Not Used

B1

BLK/WHT

238

Seat Belt Switch Signal

B2

--

--

Not Used

B3

DK BLU

46

Speaker Feed, Right Rear

B4

--

--

Not Used

B5

--

--

Not Used

B8

GRY

8

IP Lamp Feed

B9

WHT

682

Lock Switch Signal

B10

--

--

Not Used

B11

LT GRN

24

Backup Lamp Feed

B12

--

--

Not Used

C1

LT GRN

200

Speaker Feed, Right Front

C2

LT BLU

395

Door Handle Switch Signal-RF

C3

LT BLU

115

Speaker Return, Right Rear

C4-C8

--

--

Not Used

C9

LT BLU

1134

Park Brake Switch Signal

C10-C12

--

--

Not Used

Junction Block C3, Right Side


Object Number: 287972  Size: CH

Connector Part Information

    • 12176740
    • 30-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

BRN

9

Park Lamp Feed

A2

BRN

9

Park lamp Feed (Oldsmobile Only)

A3

BRN

9

Park Lamp Feed

A4

LT GRN

24

Backup Lamp Feed

A5

DK BLU

15

Turn Signal Lamp Feed, Right Front

A8

BRN

141

Fuse Output, Ignition 3

A9

BRN

341

Fuse Output, Ignition 3

A10

DK GRN

117

Speaker Return, Right Front

A11

DK GRN

145

Power Antenna Relay Feed-Coil

A12

BRN

541

Fuse Output, Ignition 3

B1

BRN

9

IP Lamp Feed

B2

LT GRN

24

Backup Lamp Feed

B3

--

--

Not Used

B4

WHT

682

Power Door Lock Switch Signal

B5

GRY

8

IP Lamp Feed (Oldsmobile Only)

B8

BRN

141

Fuse Output, Ignition 3

B9

DK BLU

46

Speaker Feed, Right Rear

B10

DK BLU

46

Speaker Feed, Right Rear

B11

LT BLU

395

Door Handle Switch Signal, Right Front

B12

BLK/WHT

238

Seat Belt Switch Signal

C1

BRN

9

Park Lamp Feed

C2

LT GRN

24

Backup Lamp Feed (Pontiac)

C3

LT GRN

24

Backup Lamp Feed

C4

LT BLU

1134

Park Brake Switch Signal

C5

GRY

8

IP Lamp Feed

C6-C8

--

--

Not Used

C9

LT BLU

115

Speaker Return, Right Rear

C10

LT BLU

115

Speaker Return, Right Rear

C11

--

--

Not Used

C12

LT GRN

200

Speaker Feed, Right Front

Underhood Junction Block C1 (LD9 Only)


Object Number: 280787  Size: CH

Connector Part Information

    • 15303512
    • 68-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

ORN

855

Fuse Output, ABS

A2

DK GRN/WHT

459

A/C Compressor Control Relay Output-Coil

A3

PNK

1632

ABS Enable Relay Output-Coil

A4

PNK

1039

Fuse Output, Ignition 1

A5

--

--

Not Used

A6

GRY

729

A/C Compressor Clutch Solenoid Output

A7-A8

--

--

Not Used

A9

LT BLU/BLK

396

Cruise Control Signal, Engaged

A11

YEL

5

Ignition Switch Output (CRANK)

A10

--

--

Not Used

A12

LT BLU

20

Stoplamp Feed

B1

ORN

855

Fuse Output, ABS

B2

--

--

Not Used

B3

RED

1633

ABS Enable Relay Output (N.O. Contact)

B4

DK GRN

83

Cruise Control Signal, Disengage

B5

PNK

139

Fuse Output, Ignition 1

B6

DK GRN

59

A/C Compressor Clutch Solenoid Feed

B7

--

--

Not Used

B8

BLK

450

Ground

B9-B12

--

--

Not Used

C1

ORN

855

Fuse Output, Ignition 1

C2

--

--

Not Used

C3

PPL

420

Brake Pedal Switch Output, TCC

C4

GRY

120

Fuel Pump Motor Feed

C8

PNK

639

Fuse Output, Ignition 1

C9

--

--

Not Used

C10

GRY

532

Coolant Fan Motor Feed (Secondary)

C11-C12

--

--

Not Used

D1-D2

--

--

Not Used

D3

DK GRN

335

Coolant Fan Relay Output-Coil

D4

GRY

120

Fuel Pump Motor Feed

D5

PNK

239

Fuse Output, Ignition 1

D8

--

--

Not Used

D9

BRN

241

Fuse Output, Ignition 3

D10

BLK

450

Ground

D11

DK BLU

473

Coolant Fan Relay Output-Coil (Secondary)

D12

--

--

Not Used

E1

ORN

1640

Fuse Output, Battery

E2-E3

--

--

Not Used

E4

GRY

120

Fuel Pump Motor Feed

E5

--

--

Not Used

E6

ORN

480

Fuse Output, Electronic Control Unit

E7

ORN

840

Fuse Output, Battery

E8

DK GRN/WHT

465

Fuel Pump Relay Feed-Coil

E9-E12

--

--

Not Used

F1-F2

--

--

Not Used

F3

LT BLU

409

Coolant Fan Motor Feed

F4

GRY

120

Fuel Pump Motor Feed

F5

PNK

539

Fuse Output, Ignition 1

F6-F8

--

--

Not Used

F9

BRN

241

Fuse Output, Ignition 3

F10

--

--

Not Used

F11

WHT

504

Coolant Fan Motor Output (Secondary)

F12

--

--

Not Used

Underhood Junction Block C1 (LA1 Only)


Object Number: 280787  Size: CH

Connector Part Information

    • 15303512
    • 68-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

ORN

855

Fuse Output, ABS

A2

DK GRN/WHT

459

A/C Compressor Control Relay Output-Coil

A3

PNK

1632

ABS Enable Relay Output-Coil

A4

PNK

1039

Fuse Output, Ignition 1

A5

--

--

Not Used

A6

GRY

729

A/C Compressor Clutch Solenoid Output

A7

PNK

839

Fuse Output, Ignition 1

A8

--

--

Not Used

A9

DK BLU/BLK

396

Cruise Control Signal-Engaged

A10

--

--

Not Used

A11

YEL

5

Ignition Switch Output (CRANK)

A12

LT BLU

20

Stoplamp Feed

B1

ORN

855

Fuse Output, ABS

B2

--

--

Not Used

B3

RED

1633

ABS Enable Relay Output-N.O. Contact

B4

DK GRN

83

Cruise Control Signal-Disengage

B5

PNK

139

Fuse Output, Ignition 1

B6

DK GRN

59

A/C Compressor Clutch Solenoid Feed

B7

--

--

Not Used

B8

BLK

450

Ground

B9-B12

--

--

Not Used

C1

ORN

855

Fuse Output, Ignition 1

C2

--

--

Not Used

C3

PPL

420

Brake Pedal Switch Output, TCC

C4-C5

--

--

Not Used

C8

PNK

639

Fuse Output, Ignition 1

C9

--

--

Not Used

C10

GRY

532

Coolant Fan Motor Feed (Secondary)

C11-C12

--

--

Not Used

D1-D2

--

--

Not Used

D3

DK GRN

335

Coolant Fan Relay Output-Coil

D4

--

--

Not Used

D5

PNK

239

Fuse Output, Ignition 1

D8

PNK

639

Fuse Output, Ignition 1

D9

BRN

241

Fuse Output, Ignition 3

D10

BLK

450

Ground

D11

DK BLU

473

Coolant Fan Relay Output-Coil (Secondary)

D12

--

--

Not Used

E1

ORN

1640

Fuse Output, Battery

E2-E5

--

--

Not Used

E6

ORN

480

Fuse Output, Electronic Control Unit

E7

ORN

840

Fuse Output, Battery

E8

DK GRN/WHT

465

Fuel Pump Relay Feed-Coil

E9

BRN

241

Fuse Output, Ignition 3

E10-E12

--

--

Not Used

F1-F2

--

--

Not Used

F3

LT BLU

409

Coolant Fan Motor Feed

F4

--

--

Not Used

F5

PNK

539

Fuse Output, Ignition 1

F6-F8

--

--

Not Used

F9

BRN

241

Fuse Output, Ignition 3

F10

--

--

Not Used

F11

WHT

504

Coolant Fan Motor Output (Secondary)

F12

--

--

Not Used

Underhood Junction Block C2


Object Number: 280784  Size: CH

Connector Part Information

    • 15303513
    • 68-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

BRN

341

Fuse Output, Ignition 3

A2-A12

--

--

Not Used

B1-B4

--

--

Not Used

B5

BRN

9

Parklamp Feed

B6-B8

--

--

Not Used

B9

BRN

9

Park Lamp Feed

B10

DK BLU

15

Turn Signal Lamp Feed, Right Front

B11

--

--

Not Used

B12

LT BLU

20

Stoplamp Feed

C1

--

--

Not Used

C2

DK BLU

1201

Headlamp Output, Low Beam

C3

PPL

420

Brake Pedal Switch Output, TCC

C4-C8

--

--

Not Used

C9

BRN

9

Park Lamp Feed

C10

LT BLU

14

Turn Signal Lamp Feed, Left Front

C11

--

--

Not Used

C12

DK GRN

29

Horn Feed

D1-D9

--

--

Not Used

D10

ORN

740

Fuse Output, Battery (Oldsmobile Only)

D11-D12

--

--

Not Used

E1-E3

--

--

Not Used

E4

DK GRN

83

Cruise Control Signal, Disengage

E5-E7

--

--

Not Used

E8

ORN

640

Fuse Output, Battery

E9-E12

--

--

Not Used

F1-F3

--

--

Not Used

F4

PPL

34

Fog Lamp Feed

F5

LT BLU/BLK

396

Cruise Control Signal, Engaged

F6

PNK

1200

Headlamp Lamp Output (High Beam)

F7

--

--

Not Used

F8

ORN

640

Fuse Output, Battery (Oldsmobile Only)

F9-F11

--

--

Not Used

F12

DK BLU

593

High Beam Headlamp Feed-Daytime Running Lamps

Underhood Junction Block C3 (Oldsmobile Only)


Object Number: 280786  Size: CH

Connector Part Information

    • 15303514
    • 68-Way F Metri-Pack 280 Series (BRN)

Pin

Wire Color

Circuit No.

Function

A1

ORN

40

Fuse Output, Battery

A2-A3

--

--

Not Used

A4

WHT

193

Rear Defogger Relay Output-Coil

A5

PPL

34

Fog Lamp Feed

A6

ORN

300

Ignition Switch Output (Ignition 3)

A7

BRN

241

Fuse Output, Ignition 3

A8

--

--

Not Used

A9

PNK/WHT

1970

Low Beam Headlamp Relay Output-Coil

A10

BLK

150

Ground

A11

BRN

41

Fuse Output, Ignition 3

A12

--

--

Not Used

B1-B2

--

--

Not Used

B3

DK GRN

306

Headlamp Switch Output (Headlamps OFF)

B4

--

--

Not Used

B5

BRN

9

Park Lamp Feed

B6

--

--

Not Used

B7

PNK

1200

Headlamp Lamp Output (High Beam)

B8

WHT

1080

Parklamp Relay Output-Coil

B9

PPL

65

Blower Motor Feed

B10-B11

--

--

Not Used

B12

LT GRN/BLK

592

DRL Relay Output-Coil

C1-C3

--

--

Not Used

C4

PNK

439

Fuse Output, Ignition 1

C5

PPL

293

Rear Defogger Element Feed

C8

DK BLU

15

Turn Signal Lamp Feed, Right Front

C9

LT BLU

14

Turn Signal Lamp Feed, Left Front

C10

DK BLU

101

Blower Resistor Output

C11

--

--

Not Used

C12

BLK

28

Horn Relay Output

D1

DK BLU

1201

Headlamp Lamp Output, Low Beam

D2

BRN

341

Fuse Output, Ignition 3

D3-D4

--

--

Not Used

D5

PNK

3

Fuse Output, Ignition 1

D8

ORN

240

Fuse Output, Battery

D9

ORN

52

Blower Switch Output (HIGH)

D10-D12

--

--

Not Used

E1-E5

--

--

Not Used

E6

GRY

120

Fuel Pump Motor Feed

E7-E12

--

--

Not Used

F1-F2

--

--

Not Used

F3

PPL

420

Brake Pedal Switch Output, TCC

F4-F10

--

--

Not Used

F11

YEL

5

Ignition Switch Output (CRANK)

F12

LT BLU

20

Stoplamp Feed

Underhood Junction Block C4


Object Number: 280788  Size: CH

Connector Part Information

    • 12146038
    • 2-Way F Metri-Pack 800 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

842

Fuse Output, Battery

B

RED

242

Fuse Output, Battery

Underhood Junction Block C5


Object Number: 280790  Size: CH

Connector Part Information

    • 12160605
    • 2-Way F Metri-Pack 800 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

442

Fuse Output, Battery

Underhood Junction Block C6


Object Number: 258677  Size: CH

Connector Part Information

    • 12146037
    • 2-Way F Metri-Pack 800 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

642

Fuse Output, Battery

Underhood Junction Block C7


Object Number: 287983  Size: CH

Connector Part Information

    • 12160606
    • 2-Way F Metri-Pack 800 Series (BRN)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

1042

Fuse Output, Battery