IMPORTANT: Electrical items are covered by a 30 day EXCHANGE ONLY WARRANTY. There are no returns or refunds on such items.Located behind the instrument cluster, it regulates the voltage to the dash gauges. If all of your gauges read the maximum setting, this is definitely the culprit. WARNING: the battery must be disconnected when installing this part.
| Make | Model | Years |
| Edsel | Bermuda | 1958 |
| Edsel | Citation | 1958 |
| Edsel | Corsair | 1958 - 1959 |
| Edsel | Pacer | 1958 |
| Edsel | Ranger | 1958 - 1960 |
| Edsel | Roundup | 1958 |
| Edsel | Villager | 1958 - 1960 |
| Ford | 300 | 1963 |
| Ford | Anglia | 1957 - 1966 |
| Ford | Bronco | 1966 - 1977 |
| Ford | Club | 1957 - 1959 |
| Ford | Consul | 1957 - 1964 |
| Ford | Cortina | 1963 - 1966 |
| Ford | Country Sedan | 1957 - 1966 |
| Ford | Country Squire | 1957 - 1966 |
| Ford | Courier Sedan Delivery | 1957 - 1960 |
| Ford | Custom 300 | 1957 - 1960 |
| Ford | Custom 500 | 1964 - 1966 |
| Ford | Custom | 1957 - 1966 |
| Ford | Del Rio Wagon | 1957 - 1958 |
| Ford | F-100 | 1957 - 1966 |
| Ford | F-250 | 1957 - 1966 |
| Ford | F-350 | 1957 - 1966 |
| Ford | Fairlane | 1960 - 1966 |
| Ford | Falcon Sedan Delivery | 1961 - 1965 |
| Ford | Falcon | 1960 - 1966 |
| Ford | Galaxie | 1960 - 1966 |
| Ford | LTD | 1965 - 1966 |
| Ford | Mustang | 1964 - 1966 |
| Ford | Ranch Wagon | 1957 - 1966 |
| Ford | Ranchero | 1957 - 1966 |
| Ford | Squire | 1957 - 1960 |
| Ford | Sunliner | 1957 - 1960 |
| Ford | Thunderbird | 1960 - 1966 |
| Ford | Victoria | 1957 - 1960 |
| Mercury | Comet | 1960 - 1966 |
| Mercury | Cyclone | 1965 - 1966 |
| Mercury | Meteor | 1962 - 1963 |
