1999 CHEVROLET LUMINA relay

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6-57
Circuit
BreakerDescription
A Not Used
B Not Used
C Power Windows
D Power Seats
E Not UsedFuse Description
1 Cigar Lighter
-- Instrument Panel and
Console Cigarette Lighter
2 Not Used
3 Not Used
4HVAC
-- HVAC Control Assembly
Solenoid Box, Mix Motor, DRL Module,
HVAC Control Head, Defogger Relay,
(S.E.O.) Digital Speedometer
5 Hazard Flasher
6 R.H. Spot Lamp (S.E.O.)
7 Starter Relay
8 Not Used
9 Not Used
10 I/P Electronics Battery
-- Chime Module,
Electronic Brake Control Module
(EBCM), Theft
-Deterrent Module,
Radio, DLC
11 Power Accessory #2
-- Sunroof Control
Unit, (S.E.O.) Accessory Feed

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6-58
Fuse Description
12 Anti
-Theft/PCM -- Theft-Deterrent
Module, Powertrain Control Module,
(PCM) IGN System Relay
13 ABS
-- Electronic Brake Control
Module (EBCM), ABS Relay
14 HVAC Blower Motor
-- Blower
Motor Relay
15 L.H. Spot Lamp (S.E.O.)
16 Steering Wheel Control #1
-- Steering
Wheel Radio Control Lighting
17 Not Used
18 Not Used
19 Power Accessory #1
-- Door Lock
Switches, Trunk Courtesy Lamp, O/S
Mirror Switch, (S.E.O.) Emergency
Vehicle
-Rear Compartment Lid Lamp or
Window Panel Lamps
20 Steering Wheel Control #2
-- Steering
Wheel Radio ControlsFuse Description
21 Air Bag
-- Air Bag System
22 Cruise Control
--Cruise Control Cut-Out
Switch, Cruise Control Module, Turn
Signal Cruise Control Switches
23 Stoplamps
-- Stoplamp Switch (Brake)
24 Not Used
25 English/Metric (S.E.O.)
26 Not Used
27 Not Used
28 CTSY Lamps
-- Vanity Mirrors, I/P
Compartment Lamp, I/S Lighted
Rearview Mirror, Dome Lamp
29 Wiper
-- Wiper Switch
30 Turn Signal
-- Turn Signal Flasher
31 Not Used
32 Power Locks
-- Door Lock Relay,
Remote Keyless Entry Receiver

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6-59
Fuse Description
33 DRL MDL
-- Daytime Running Lamp
Module, (S.E.O.) Accessory Switch
34 Not Used
35 Not Used
36 Not Used
37 Rear Defog
-- Rear Window Defogger
Switch Relay
38 Radio
-- Radio, Power Drop
39 I/P Electronics Ignition Feed
--
Headlamp Switch, Instrument Cluster,
Chime Module, Keyless Entry Receiver,
Stoplamp switch (TCC and BTSI)
(S.E.O.) Accessory SwitchFuse Description
40 Not Used
41 Power Drop
42 Evap. Sol.
-- Evaporation Emissions
(EVAP) Canister Vent Solenoid Valve
43 Not Used
44 Not Used
45 Not Used

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6-60
Underhood Electrical Center -- Passenger's Side
Some fuses are in the underhood electrical center on the
passenger's side of the engine compartment.
Fuse Description
R/CMPT REL Remote Trunk Release, Back
-Up
Lamps, Remote Control Door
Lock Receiver
PCM BAT Powertrain Control Module (PCM),
Fuel Pump Relay, Fan Cont #1 and
#2 Relay
A/C CONT A/C CMPR Relay
TRANS Automatic Transaxle

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6-61
Fuse Description
F/INJN Fuel Injectors
PCM IGN Mass Air Flow (MAF) Sensor
Heated Oxygen Sensor #1 and #2
Evaporative Emissions (EVAP)
Canister Purge Solenoid Valve
ELEK IGN Electronic Ignition (EI)
Control Module
10 I/P Fuse Block
12 Passenger's Side Underhood
Electrical Center, IGN SYST Relay,
R/CMPT REL fuse, PCM BAT fuse
13 FAN CONT #1 Relay
Relay Description
14 FUEL PUMP
15 A/C CMPR
16 FAN CONT #2
-- Secondary
Cooling Fan (Passenger's Side)
17 FAN CONT #1
-- Primary Cooling
Fan (Driver's Side)
18 IGN SYSTUnderhood Electrical Center
-- Driver's Side

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6-62
Fuse Description
FAN #3 FAN #3 Relay
PARK LPS Headlamp Switch
HORN Horn Relay
ABS Anti
-Lock Brake System
11 Circuit Breaker C, Starter Relay,
STR WHL Control # 2,
Power Accessory #2, and
Theft
-Deterrent RelayFuse Description
12 HD LPS
-- Circuit Breaker to
Headlamp Switch
13 ABS
-- ABS Relay
Relay Description
14 ABS
-- Anti-Lock Brake System
15 FAN #3
-- Secondary Cooling Fan
(Passenger's Side)
16 HORN
Replacement Bulbs
Exterior Lamps Bulb Number
Back
-Up 3156 or 3057. . . . . . . . . . . . . . . . . . . . . . . . .
Center High
-Mounted Stoplamp 891T2. . . . . . . . . . .
Front Parking/Turn Signal 3357NA. . . . . . . . . . . . . . .
Headlamp, High
-Beam 9005. . . . . . . . . . . . . . . . . . .
Headlamp, Low
-Beam 9006. . . . . . . . . . . . . . . . . . . .
Stop/Tail/Turn Signal 3057. . . . . . . . . . . . . . . . . . . . .
Interior Lamps Bulb Number
Dome 10230955. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
*For service information on these bulbs, contact your
Chevrolet dealer service department.