The AMC Gremlin is a subcompact car produced by the American Motors Corporation from 1970 to 1978. This unique car has a sloping rear window and a shortened Hornet platform. It is originally designed to compete with the imported small cars that were becoming increasingly popular at the time. Despite its odd appearance, the Gremlin became a popular car and is praised for its handling and fuel economy. In this article, we will delve deeper into the Gremlin’s features, focusing on its electrical components such as the fuse box and relay.
The Fuse Box and Relay System
Like all cars, the AMC Gremlin’s electrical system is vital to its overall operation. The Gremlin’s fuse box is located under the dashboard on the driver’s side. The fuse box contains several fuses that protect the electrical system from power surges and short circuits. Each fuse is labeled with its specific function and amperage rating. The Gremlin also has a relay system that is responsible for controlling various electrical components such as the headlights, wipers, and horns.
Electrical Issues
As with any car, the AMC Gremlin’s electrical system can experience issues. One common problem is blown fuses, which can occur if there is a power surge or short circuit. It is important to replace a blown fuse with one of the same amperage rating to prevent further damage to the electrical system. Another issue that can occur is a faulty relay, which can cause various electrical components to malfunction. A faulty relay can be diagnosed by listening to a clicking sound when the affected component is turned on. If there is no clicking sound, the relay may need to be replaced.
Overall, the AMC Gremlin’s electrical system is an essential component of the car’s operation. Regular maintenance, such as checking the fuses and relays, can prevent electrical issues from occurring. If any issues do arise, it is important to diagnose and fix them promptly to ensure the car remains safe and reliable on the road.
(1970-1978) AMC Gremlin fuse box and relay with Diagram
Type 1
| No. | Amps | Assignment/Designation |
| 1 | 9A | Dome light, cargo, courtesy, clock, glove box, and trunk light |
| 2 | 14A | Tail, park, and instrument lights, light switch, windshield wiper, heater, cigar lighter, clock, license light, transmission, air conditioning thermostat, radio, tachometer, ashtray light, seat belt module and key buzzer |
| 3 | 20A | Stop light and hazard warning flasher |
| 4 | 20A | Tail, park, and instrument lights, light switch, windshield wiper, heater, cigar lighter, clock, license light, transmission, air conditioning thermostat, radio, tachometer, ashtray light, seat belt module, and key buzzer |
| 5 | 2½A | Panel lights |
| 6 | 4A | Gauges |
| 7 | 20A | Fan |
Circuit Breaker:
- Headlights — 20 amp. the circuit breaker in the headlight switch.
- Windshield Wiper – 6 amp. the circuit breaker in the wiper switch.
- Power Windows & Tailgate Switches — 20 amp. circuit breakers located in the instrument panel.
Type 2
| No. | Amps | Assignment/Designation |
| 1 | 10A | Parking lights, key/headlights warning buzzer |
| 2 | 15A | Stop light and hazard warning |
| 3 | – | – |
| 4 | 3A | Cluster illumination |
| 5 | – | – |
| 6 | – | – |
| 7 | 25A | Heater/blower motor, A/C clutch |
| 8 | 15A | Radio, cigar lighter |
| 9 | 15A | Turn signals, backup lights, windshield washers |
| 10 | 5A | Gauges, seat belt warning |
| 11 | 30A | Power door lock, power windows circuit breaker |
| 12 | 25A | Heated rear window |
Circuit Breaker:
- Headlights — 20 amp. the circuit breaker in the headlight switch
- Windshield Wiper — 6 amp. the circuit breaker in the wiper switch.
- Power Windows & Tailgate Switches — 20 amp. circuit breakers located in the instrument panel.
The AMC Gremlin may have had a unique appearance, but its handling and fuel economy made it a popular car in the 1970s. Its electrical system, including the fuse box and relay, is a crucial part of the car’s operation. Regular maintenance and prompt diagnosis of any issues can ensure that the Gremlin remains a reliable car on the road.
