5 Electrical switch & relay parts are listed for the 1964 Fargo FW100 Pickup, in 2 part types, covering both the 3.7L 225cid L6 and the 5.1L 313cid V8. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1964 Fargo FW100 Pickup, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. All 5 listed parts are Ignition Starter Switch (3 parts) and Dimmer Switch (2 parts).
The 1964 Fargo FW100 Pickup was sold with both the 3.7L 225cid L6 and the 5.1L 313cid V8. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
3 brands supply electrical switch & relay parts for the 1964 Fargo FW100 Pickup, led by ROSTRA (2 parts), WELLS (2 parts) and STANDARD MOTOR PRODUCTS (1 part).
Each part number listed for the 1964 Fargo FW100 Pickup opens a page with every vehicle that part fits.
Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: 5.1L 313cid V8 | 651404 | 🇨🇦 CA | View on Amazon | |
| WELLS Fits: 5.1L 313cid V8 | 1S4828 | 🇨🇦 CA | View on Amazon |
This table covers the dimmer switches that select headlamp high and low beam. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
2 Dimmer Switch parts for the 1964 Fargo FW100 Pickup come from 2 brands — ROSTRA and WELLS.
This group includes ROSTRA 651404 and WELLS 1S4828.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: 5.1L 313cid V8 | 630045 | 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 5.1L 313cid V8 | US50 | 🇨🇦 CA | View on Amazon | |
| WELLS Fits: 5.1L 313cid V8 | 1S6151 | 🇨🇦 CA | View on Amazon |
This table covers the ignition switches that feed the starter circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
3 Ignition Starter Switch parts for the 1964 Fargo FW100 Pickup come from 3 brands — ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.
This group includes ROSTRA 630045, STANDARD MOTOR PRODUCTS US50 and WELLS 1S6151.
Buying Electrical Switch & Relay Parts for a 1964 Fargo FW100 Pickup
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Match the engine first. Every electrical switch & relay part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Ignition Starter Switch and Dimmer Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 1964 Fargo FW100 Pickup?
Our catalog currently lists 5 electrical switch & relay parts for the 1964 Fargo FW100 Pickup across 2 subcategories and 3 brands, covering both the 3.7L 225cid L6 and the 5.1L 313cid V8. Each part is matched to the engine(s) it fits.
Do electrical switch & relay parts differ between 1964 Fargo FW100 Pickup engines?
Yes. Every electrical switch & relay part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical switch & relay problems on a 1964 Fargo FW100 Pickup?
Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1964 Fargo FW100 Pickup was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1964 Fargo FW100 Pickup?
First match the engine — each row shows which engine(s) the part fits. Then swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1964 Fargo FW100 Pickup
Electrical Switch & Relay Parts for Other Fargo FW100 Pickup Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.