This page lists one electrical switch & relay part for the 1930 Franklin Model 147: a Dimmer Switch from STANDARD MOTOR PRODUCTS, matched to the 6cyl — the only engine offered in the 1930 Franklin Model 147.
On the 1930 Franklin Model 147, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
The part number opens a page with every vehicle that part fits.
Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | DS40 | 🇺🇸 US | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS DS40.
Buying Electrical Switch & Relay Parts for a 1930 Franklin Model 147
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 6cyl 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: Dimmer Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 1930 Franklin Model 147?
This page lists one electrical switch & relay part for the 1930 Franklin Model 147: a Dimmer Switch from STANDARD MOTOR PRODUCTS, covering the 6cyl engine.
What are the signs of electrical switch & relay problems on a 1930 Franklin Model 147?
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 1930 Franklin Model 147 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 1930 Franklin Model 147?
Every part on this page is matched to the 6cyl 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 1930 Franklin Model 147
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