This page lists 6 electrical switch & relay parts for the 1952 Fargo FO2 Pickup, across 2 part types, covering the 3.7L 228cid L6 engine. Every part shows its brand, manufacturer part number and fitment notes.
The switch and relay system on the 1952 Fargo FO2 Pickup covers the switches, relays and flashers that route power to everything the driver touches. All 6 listed parts are Brake Light Switch (5 parts) and Horn Relay (1 part).
The 1952 Fargo FO2 Pickup came with a single engine, the 3.7L 228cid L6, and every part is verified against it.
3 brands supply electrical switch & relay parts for the 1952 Fargo FO2 Pickup, led by STANDARD MOTOR PRODUCTS (3 parts), WELLS (2 parts) and ROSTRA (1 part). Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1952 Fargo FO2 Pickup. 1 part has it: STANDARD MOTOR PRODUCTS SLS27T (Brake Light Switch). Each part number opens a page with every vehicle that part fits.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | SLS27T | 🇨🇦 CA | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 620126 | 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | SLS27 | 🇨🇦 CA | with 2 Male Terminals | View on Amazon |
| STANDARD MOTOR PRODUCTS | SLS25 | 🇨🇦 CA | with 2 Female Terminals | View on Amazon |
| WELLS | 1S5366 | 🇨🇦 CA | View on Amazon |
This table covers the pedal-mounted switch that turns on the brake lamps. 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.
5 Brake Light Switch parts are listed for the 1952 Fargo FO2 Pickup, from STANDARD MOTOR PRODUCTS, ROSTRA and WELLS. STANDARD MOTOR PRODUCTS SLS27T carries the "Popular" badge.
In the Economy grade, STANDARD MOTOR PRODUCTS supplies 1 part: the catalog's value-priced group. A representative part number is STANDARD MOTOR PRODUCTS SLS27T.
The Standard Replacement section lists 4 options from STANDARD MOTOR PRODUCTS, ROSTRA and WELLS — built to original-equipment specification. ROSTRA 620126 is listed in this group.
Listed part numbers: STANDARD MOTOR PRODUCTS SLS27T, ROSTRA 620126 and STANDARD MOTOR PRODUCTS SLS27, plus the other parts above.
Horn Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1R1713 | 🇨🇦 CA | Universal Horn Relay, Heavy Duty 6 Volt Type Three Screw TerminalsThis horn relay can be used for any 6 Volt, Three terminal application that does not require an internal resistor. | View on Amazon |
This table covers the relays that control the Horn circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
This group shows a single part: WELLS 1R1713.
Buying Electrical Switch & Relay Parts for a 1952 Fargo FO2 Pickup
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Confirm you have the 3.7L 228cid L6 engine — every part on this page is matched to it.
- 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: Brake Light Switch and Horn Relay .
Frequently Asked Questions
How many electrical switch & relay parts fit the 1952 Fargo FO2 Pickup?
Our catalog currently lists 6 electrical switch & relay parts for the 1952 Fargo FO2 Pickup across 2 subcategories and 3 brands, covering the 3.7L 228cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 1952 Fargo FO2 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 1952 Fargo FO2 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 1952 Fargo FO2 Pickup?
Every part on this page is matched to the 3.7L 228cid L6 engine. 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 1952 Fargo FO2 Pickup
Electrical Switch & Relay Parts for Other Fargo FO2 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.