The 1978 MG Midget has 6 electrical switch & relay parts with verified fitment on this page — 4 part types and 5 brands, covering the 1.5L L4 engine. Each part includes a manufacturer part number and application notes.
On the 1978 MG Midget, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. Most of the listed parts are Fuel Pump Cutoff Switch (2 parts), Oil Pressure Sender / Switch (2 parts) and Ignition Starter Switch (1 part). The other 1 part type covers the remaining 1 part.
The 1978 MG Midget came with a single engine, the 1.5L L4, and every part is verified against it.
5 brands supply electrical switch & relay parts for the 1978 MG Midget, led by ÜRO PARTS (2 parts), ACDELCO (1 part) and STANDARD MOTOR PRODUCTS (1 part), plus 2 more brands.
Each part number listed for the 1978 MG Midget opens a page with every vehicle that part fits.
Fuel Pump Cutoff Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | D1876D | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS | FV7 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Fuel Pump Cutoff switches. 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 Fuel Pump Cutoff Switch parts are listed for the 1978 MG Midget, from ACDELCO and STANDARD MOTOR PRODUCTS.
This group includes ACDELCO D1876D and STANDARD MOTOR PRODUCTS FV7.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | BHA5292 | 🇺🇸 US 🇨🇦 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.
This group shows a single part: ÜRO PARTS BHA5292.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 2010031 | 🇺🇸 US 🇨🇦 CA | with LightExcept California Emissions | View on Amazon |
| ROSTRA | 501419 | 🇺🇸 US 🇨🇦 CA | without California Emissions System | View on Amazon |
This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch.
2 Oil Pressure Sender / Switch parts are listed for the 1978 MG Midget, from BECK/ARNLEY and ROSTRA.
Part numbers include BECK/ARNLEY 2010031 and ROSTRA 501419.
Turn Signal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | AAU4995 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the combination / turn-signal switches. 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.
One part is listed for the 1978 MG Midget — ÜRO PARTS AAU4995.
Buying Electrical Switch & Relay Parts for a 1978 MG Midget
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 1.5L L4 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: Fuel Pump Cutoff Switch and Oil Pressure Sender / Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 1978 MG Midget?
Our catalog currently lists 6 electrical switch & relay parts for the 1978 MG Midget across 4 subcategories and 5 brands, covering the 1.5L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 1978 MG Midget?
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 1978 MG Midget 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 1978 MG Midget?
Every part on this page is matched to the 1.5L L4 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 1978 MG Midget
Electrical Switch & Relay Parts for Other MG Midget Years
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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.