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sourcing map Car H4 Light Socket Review: Reliable H4 wiring for DIY headlight repairs?

sourcingmap 2pcs 3 Terminal Car H4 Headlight Fog Lamp Bulb Wiring Harness Socket
4.8
[Universal H4 Compatibility]  Fits standard H4 bulbs for straightforward replacement and broad vehicle compatibility.
[12V Vehicle Power]  Engineered for DC 12V systems to deliver consistent, reliable electrical performance.
[Durable Plastic Housing]  Heat-resistant plastic construction ensures long-lasting durability in automotive environments.
[Pre-wired 11.5cm Leads]  11.5cm (4.5 in) wires provide plug-and-play installation and secure electrical connection.
[Includes Two Sockets]  Package includes two H4 sockets—ideal for replacing both headlamps or keeping a spare.
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Automotive wiring accessories aimed at restoring a secure H4 connection quickly and neatly. Ideal for DIY mechanics who want straightforward, plug-in replacements that avoid soldering or complex rewiring. Are sourcing map Car H4 Light Socket the right choice for routine H4 headlight and fog lamp repairs?

⚡ At a Glance
  • Connection Quality: Three-terminal H4 contact layout, snug fit with low resistance
  • Best for: DIY mechanics and small garages needing quick headlight wiring swaps
  • Not ideal for: Major rewiring projects that require OEM-style sealed connectors

Three terminals match the H4 bulb contacts for live, earth and dipped beam. Compact plastic housing with 11.5 cm wires supplies two ready-to-fit sockets.


Secure electrical contact - thanks to the three-terminal H4 socket

Three separate terminals correspond to the H4 bulb pins, arranged for live, earth and dipped beam connections. Plastic housing holds terminals in place to reduce movement and intermittent contact.

Reliable power delivery reduces flicker and poor lighting caused by loose connections. Secure contacts help maintain steady beam performance over time.

Fast installation, with pre-attached 11.5 cm wires

Each socket includes an 11.5 cm length of wire for routing behind the lamp assembly. Wires are ready to be connected to existing wiring looms or repair points.

Quick, plug-and-play swaps cut workshop time and keep repairs tidy. Suitable for replacing worn sockets without major rewiring.

Compact, corrosion-resistant fit - with durable plastic construction

Plastic material forms a small 35 x 28 x 22 mm housing that resists moisture and abrasion better than exposed terminals. Colour options aid identification during installation.

Small footprint fits most headlamp housings without obstruction. Colour-coded housings make neat, organised repairs easier to manage.

✨ The 4 Key Reasons for sourcing map Car H4 Light Socket
  1. DC 12V Rating - Works with most 12V car headlight circuits without modification.
  2. Three Terminal H4 Socket - Delivers correct live, earth and dipped beam connections reliably.
  3. 11.5cm Wire Length - Allows neat routing behind headlamp assemblies with extra reach.
  4. Pack of Two Sockets - Supplies two connectors for paired or replacement installations.
📋 Technical Details at a Glance
  • Category: Automotive Parts and Accessories
  • Voltage: DC 12V
  • Material: Plastic
  • Package Content: 2 x Car H4 Light Socket
  • Socket Type: H4 (3-terminal)
❓ Frequently Asked Questions

Q: Are these sockets compatible with H4 bulbs?

A: Yes, the socket type is H4, designed to match the three-pin H4 bulb connections.

Q: What voltage are the sockets rated for?

A: The sockets are specified for DC 12V vehicle electrical systems.

Q: How long are the attached wires?

A: Each socket comes with 11.5 cm (4.5 inches) of wire for routing and connection.

🏆 Our Verdict

The sourcing map Car H4 Light Socket suits DIY mechanics and small garages needing simple, reliable H4 wiring replacements. Compact three-terminal construction, 11.5 cm wires and a two-socket pack make routine headlight or fog lamp repairs straightforward. Practical, durable replacements like these deliver long-term value for routine electrical maintenance.