Jonathan Yarden Mar 25, 2021 · 5 min. read
In this article you will find a description of fuses and relays Pontiac,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 1999
Instrument Panel Fuse Block
Fuse box is locate on the end of the instrument panel on the passenger side.
Fuse | Usage |
HEADLAMP | Headlamps |
SEAT | Power Seat, Power Lumbar |
PWR WDO | Power Windows |
MALL PGM | Mall Module — Program |
MALL | Mall Module |
WIPER | Wipers |
STR WHL ILLUM | Steering Wheel Illumination |
STR WHL CTRL | Steering Wheel Control |
SUNROOF | Sunroof |
RADIO | Radio, Antenna |
RADIO AMP | Bose Amplifier |
PWR LOCK | Mall Module — Power Lock |
HSEAT/LUM | Heated Seats, Power Lumbar |
R DEFOG | Rear Defog |
RAP | Retained Accessory Power |
HAZARD | Hazard Flashers |
PWR MIR | Power Mirrors |
HVAC HI | HVAC Blower — Hi |
CIG LTR | Cigarette Lighter, ALDL, Floor Console Accessory Outlet |
INT LAMP | Mall Module — Interior lamps |
STOP LAMP | Stoplamp |
AUX/CNSL | Accessory Power, Overhead Console |
CD CHG | CD Changer |
ECM | Electronic Control Module |
CRUISE | Cruise Control |
I/P-IGN | Chime/Mall Module, Cluster, Trip Computer, Head-Up Display, Automatic Transaxle Shift Lock Control |
SIR | Supplemental Inflatable Restraint (Air Bag) |
TURN | Turn Signal |
BTSI | PRNDL, Brake-Transaxle Shift Interlock |
HVAC CTRL | Blower Control, HVAC |
DIC/HVAC | Rear Defog, HVAC, Driver Information Center, Daytime Running Lamps, Heated Seats |
PWR DROP | Power Drop Ignition |
CANISTER VENT | Canister Vent Solenoid |
DRL | Daytime Running Lamps |
Underhood Fuse Block
The underhood fuse block is located on the passenger’s side of the vehicle in the engine compartment.
Fuses | Usage |
1 | Cooling Fan 2 |
2 | Spare |
3 | Headlamps |
4 | Battery Main 2 |
5 | Ignition Main 1 |
6 | Cooling Fan 1 |
7 | Battery Main 1 |
8 | Ignition Main 2 |
18 | Fuel Injections |
19 | Spare |
20 | Spare |
21 | Mass Air Flow (MAF), Heated Sensors, Canister Purge, Boost Solenoid |
22 | Spare |
23 | Spare |
24 | Spare |
25 | Ignition Module |
26 | Spare |
27 | Trunk Release, Back-Up Lamps |
28 | AC Clutch, ABS Ignition |
29 | Radio, Remote Keyless Entry, Theft-Deterrent, Shock Sensor, Trip Computer, HVAC Module, Anti-Lock Brake System Module, Security LED |
30 | Alt Sense |
31 | Torque Converter Clutch (TCC) |
32 | Fuel Pump |
33 | Electronic Control Module/Powertrain Control Module |
34 | Spare |
35 | Fog Lamps |
36 | Horn |
37 | Chime/Mall Module, Taillamps, Parking Lamps, Sidemarker Lamps, Dimmable Lamps |
38 | Spare Fuse |
39 | Air Pump |
40 | Spare |
Diode | Usage |
Air Conditioning Clutch Diode |
Relays | Usage |
9 | Cooling Fan |
10 | Cooling Fan 2 |
11 | Ignition Main |
12 | Cooling Fan 1 |
13 | Air Conditioning Clutch |
14 | Fuel Pump |
15 | Fuel Pump Speed Cont |
16 | Horn |
17 | Fog Lamp |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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