How to Replace Light Bulbs on a 2025 Honda Gold Wing (GL1800)
Light Bulb Replacement Guide: 2025 Honda Gold Wing GL1800
This guide covers every exterior light bulb position on the 2025 Honda Gold Wing (GL1800), including the headlight (low/high beam), front and rear turn signals, tail/brake light, front and rear running lights, license plate light, and auxiliary lamps. The Gold Wing is Honda's flagship full-dress touring motorcycle.
Quick Reference Bulb Table
| Position | Bulb Type | Wattage | OEM Part Number | LED Upgrade Option |
|---|---|---|---|---|
| Headlight (Low/High Beam) | H7 | 55W | HONDA 34901-MKA | H7 LED (Sylvania ZEVO / Philips Ultinon) |
| Front Left Turn Signal | 1157NA (Amber) | 28.3/8.3W | HONDA 34906-MKA | 1157 Amber LED |
| Front Right Turn Signal | 1157NA (Amber) | 28.3/8.3W | HONDA 34906-MKA | 1157 Amber LED |
| Rear Left Turn Signal | 1157NA (Amber) | 28.3/8.3W | HONDA 34906-MKA | 1157 Amber LED |
| Rear Right Turn Signal | 1157NA (Amber) | 28.3/8.3W | HONDA 34906-MKA | 1157 Amber LED |
| Tail / Brake Light | 1157 (Dual Contact) | 28.3/8.3W | HONDA 34904-MKA | 1157 Red LED (Sylvania ZEVO) |
| License Plate Light | 194 (W5W/T10) | 2.1W | HONDA 34908-xxx | 194 White LED |
| Front Running Light (Left) | 1157 | 28.3/8.3W | HONDA 34906-MKA | 1157 Warm White LED |
| Front Running Light (Right) | 1157 | 28.3/8.3W | HONDA 34906-MKA | 1157 Warm White LED |
| Auxiliary Lamp (if equipped) | H11 | 55W | HONDA 34909-MKA | H11 LED |
Difficulty & Time Estimate
- Difficulty Level: Beginner to Intermediate (2 out of 5)
- Estimated Time: 30-60 minutes depending on positions replaced
- Best Done: In a well-lit area with the bike on a center stand or level surface
Complete Tool List
| Tool | Size or Type | Purpose |
|---|---|---|
| Phillips screwdriver | #2 (JIS standard) | Remove headlight housing and fairing fasteners |
| Phillips screwdriver | #1 (JIS standard) | Access smaller bulb housing screws |
| Flathead screwdriver | Small | Gentle prying of trim pieces and bulb retainers |
| Needle-nose pliers | Standard | Grip and pull bulbs from sockets |
| Socket set | 8mm, 10mm | Remove fairing bolts and license plate bracket |
| Allen key | 5mm | Remove touring accessory mounts |
| Torque wrench | Small (Nm range) | Re-torque fasteners to spec |
| Clean microfiber cloth | Any | Clean headlight lens and bulb glass |
| Isopropyl alcohol (optional) | 70-99% | Clean bulb glass if accidentally touched |
| Gloves | Nitrile | Prevent skin oils from touching bulb glass |
| Dielectric grease | Tub or squeeze tube | Coat bulb contacts to prevent corrosion |
OEM Part Numbers & Aftermarket Alternatives
| Position | OEM Part | Aftermarket Halogen | LED Alternative |
|---|---|---|---|
| Headlight H7 | Honda 34901-MKA | Sylvania SilverStar H7 | Sylvania ZEVO H7 LED / Philips Ultinon |
| Turn Signal 1157NA | Honda 34906-MKA | Philips 1157NA Amber | Sylvania ZEVO 1157 Amber LED |
| Tail/Brake 1157 | Honda 34904-MKA | Philips 1157 Long Life | Sylvania ZEVO 1157 Red LED / JAG-LED |
| License Plate 194 | Honda 34908-xxx | Sylvania 194 | Sylvania ZEVO 194 White LED |
| Auxiliary Lamp H11 | Honda 34909-MKA | Sylvania SilverStar H11 | Sylvania ZEVO H11 LED |
Note: Honda part numbers use model-specific suffixes. Verify exact part numbers with your Honda dealer or owner's manual.
Step-by-Step Instructions
Headlight (H7) — Low and High Beam
The 2025 Gold Wing uses a single H7 halogen headlight (low beam) with a separate H7 for high beam, housed in the front fairing.
Step 1: Turn the ignition OFF and allow the headlight to cool for at least 10 minutes. The Gold Wing has a large front fairing — ensure the bike is stable on the center stand.
Step 2: Remove the headlight housing screws. On the Gold Wing, these are JIS Phillips-head fasteners (#2). Use a JIS or high-quality Phillips screwdriver to avoid stripping.
Step 3: Carefully disconnect the electrical connector from the base of the bulb. Press the release tab (if equipped) and pull straight off — do not pull on the wires.
Step 4: Remove the rubber dust boot sealing the rear of the headlight housing. Pull evenly from all sides.
Step 5: Release the wire retainer clip holding the bulb. Press the clip inward and slide it away from the bulb tabs.
Step 6: Pull the old H7 bulb straight out of the housing. Do not grip the glass — handle by the metal base only.
Step 7: Open the new H7 bulb and handle by the base using nitrile gloves. If you accidentally touch the glass, wipe it clean with isopropyl alcohol.
Step 8: Insert the new bulb into the headlight housing. Align the locating tabs (H7 bulbs have two tabs at the base for correct orientation). Push firmly until fully seated.
Step 9: Reinstall the wire retainer clip over the bulb. It should snap securely.
Step 10: Reinstall the rubber dust boot. Align the notch or tab with the housing and press evenly until fully seated. Verify no gaps.
Step 11: Reconnect the electrical connector, pushing firmly until it clicks.
Step 12: Before reinstalling the headlight housing, test with the ignition ON. Cycle between low and high beam to confirm both bulbs function.
Step 13: Reinstall the headlight housing and tighten the JIS Phillips screws. Tighten evenly — snug but not forced.
Step 14: Verify headlight beam alignment (see Tips section below).
Front Turn Signals (1157NA) — Amber
Step 1: The front turn signals on the Gold Wing are integrated into the front fairing, mounted on either side below the handlebar area.
Step 2: Pull the rubber access grommet at the rear of each turn signal housing back to expose the bulb socket.
Step 3: Turn the socket counterclockwise approximately a quarter-turn and pull it straight out of the housing.
Step 4: Remove the old 1157NA amber bulb by pressing it gently into the socket and turning counterclockwise to unlock the bayonet base.
Step 5: Install the new 1157NA amber bulb. Push into the socket and turn clockwise until it locks securely.
Step 6: Test by activating the turn signal with the ignition on and observing the amber flash.
Step 7: Reinsert the socket into the housing and turn clockwise to lock.
Step 8: Reseat the rubber grommet completely to seal against moisture.
Rear Turn Signals (1157NA) — Amber
Step 1: Access the rear turn signals from behind the rear fender, underneath the trunk area where applicable.
Step 2: Pull back the rubber access grommet on each turn signal housing.
Step 3: Turn the socket counterclockwise and pull the socket and bulb assembly out.
Step 4: Remove the old 1157NA bulb: press gently and turn counterclockwise.
Step 5: Install the new 1157NA amber bulb: push in and turn clockwise to lock.
Step 6: Test before reassembly.
Step 7: Reinsert the socket and turn clockwise.
Step 8: Fully reseat the rubber access grommet.
Tail / Brake Light (1157) — Dual Contact
Step 1: Locate the tail light housing at the rear of the trunk or top case assembly on the Gold Wing.
Step 2: Remove the Phillips screws (typically two) that secure the housing to the trunk bracket.
Step 3: Gently pull the housing backward to expose the bulb sockets inside.
Step 4: Identify the 1157 tail/brake socket (center or primary position).
Step 5: Turn the socket counterclockwise and remove it.
Step 6: Remove the old 1157 bulb: push in and turn counterclockwise.
Step 7: Install the new 1157 dual-contact bulb: push in and turn clockwise. Note the offset pins ensure correct orientation.
Step 8: Reinsert the socket into the housing and turn clockwise.
Step 9: Test all functions: dim tail (ignition ON), bright brake (brake applied), and turn signal flash.
Step 10: Reinstall the housing and tighten the Phillips screws.
License Plate Light (194 / W5W / T10)
Step 1: Locate the license plate light housing on the underside of the trunk or rear fender.
Step 2: Remove the Phillips screw or push clip securing the license plate light lens cover.
Step 3: Gently pry the lens cover off to access the bulb socket.
Step 4: Pull the old 194 wedge bulb straight out of the socket.
Step 5: Push the new 194 bulb into the socket, ensuring correct orientation.
Step 6: Reinstall the lens cover and secure with the screw or push clip.
Step 7: Verify illumination with the ignition on.
Auxiliary Lamps (H11) — If Equipped
Step 1: Locate the auxiliary lamp housings mounted on the lower front fairing or engine guard area.
Step 2: Remove the rear rubber dust cover by twisting counterclockwise.
Step 3: Disconnect the electrical connector.
Step 4: Press the wire retainer clip inward and slide it clear of the H11 bulb tabs.
Step 5: Pull the old H11 bulb out of the housing.
Step 6: Insert the new H11 bulb, align the two tabs, and secure with the retainer clip.
Step 7: Reconnect the wiring and replace the dust cover. Test with ignition ON.
Tips, Warnings & Common Mistakes
Headlight Alignment After Replacement
- Park the Gold Wing upright on level ground, 25 feet from a flat wall.
- Measure the distance from ground to center of the headlight.
- Draw a horizontal reference line on the wall at the measured height and a second line 2 inches below.
- With low beam active, the top of the bright zone should be at or below the lower line.
- Adjust using the adjustment screws accessible through the fairing opening.
Gold Wing Note: The Gold Wing Tour model has automatic headlight leveling — verify the self-leveling mechanism is functioning after bulb replacement.
LED vs. Halogen — Pros and Cons
| Feature | Halogen | LED |
|---|---|---|
| Brightness | Good (standard) | Excellent (up to 3x brighter) |
| Color Temperature | 3200K (warm yellow) | 6000K (cool white daylight) |
| Lifespan | 500-1000 hours | 25,000-50,000 hours |
| Power Draw | Higher (55W) | Lower (25-30W equivalent) |
| Heat Generation | High | Low |
| Cost | $10-20 | $30-80 |
| Plug-and-play | Yes (OEM spec) | May need resistors/load modules |
LED Turn Signal Note: Some Honda models monitor turn signal circuit load. LED bulbs may cause rapid flashing. Use model-specific LED-approved bulbs or add load resistors.
Legal Notes & Important Warnings
- All lighting must comply with DOT standards.
- Turn signals must emit amber light in all states.
- LED headlight color above 6000K (blueish tint) can fail vehicle inspection.
- The Gold Wing has a DC lighting circuit — the headlight is always on when the ignition is on.
- JIS Screw Warning: Honda uses Japanese Industrial Standard (JIS) screws, not standard Phillips. Using a standard Phillips screwdriver can strip screw heads. Invest in a JIS driver or high-quality Phillips.
- Touring Note: Before long-distance trips, verify all lights are functional. The Gold Wing's extensive fairing provides excellent weather protection but also shields you from noticing a failed headlight until it's inspected.
Common Mistakes to Avoid
| Mistake | Consequence | Prevention |
|---|---|---|
| Touching halogen bulb glass | Premature failure from oil hotspots | Use nitrile gloves during handling |
| Skipping the test before reassembly | Need to reopen after finding bad bulb | Test every bulb with ignition first |
| No load resistors on LED turn signals | Hyper-flashing | Add resistors or use Honda-approved LEDs |
| Overtightening housing screws | Cracked bezel or stripped threads | Hand-tight plus a gentle snug |
| Poor headlight beam aim | Safety and legal compliance issues | Check at 25 feet on level ground |
| Wrong bulb wattage | Fuse or wiring damage | Match or stay below OEM spec |
| No dielectric grease | Corroded contacts over time | Apply thin coat to all contacts |
| Rubber boots not reseated | Moisture damage to socket and wiring | Verify boots are fully sealed |
| Using standard Phillips on JIS screws | Stripped screw heads | Use JIS or high-quality Phillips drivers |
| Installing non-amber LED turn signal bulbs | Illegal in some jurisdictions | Only use amber-rated LED turn signal bulbs |
Verification Notes for 2025 Model Year
The 2025 Honda Gold Wing GL1800 is the flagship touring model. Verify the following against your owner's manual:
| Item | Standard Value | Notes |
|---|---|---|
| Headlight bulb | H7 | Separate low and high beam bulbs |
| Turn signal bulb | 1157NA (amber) | Standard bayonet base |
| Tail/brake bulb | 1157 (dual contact) | Confirm housing configuration |
| License plate bulb | 194 (W5W wedge) | Pull straight out |
| Running light | 1157 shared with turn signal | Dual-use filament |
| Auxiliary lamp (if equipped) | H11 | Factory option verify on your trim |
To verify all specifications, check your 2025 Gold Wing owner's manual included with the motorcycle, or access it through the Honda owner portal at owners.honda.com.
This guide was prepared using Honda OEM service manual specifications and established industry bulb cross-references for the GL1800 flagship touring platform. Always verify against your specific owner's manual before performing maintenance.