Identifying which brake light to replace
On the 2007 Odyssey, there are two outer rear brake lights in the left and right taillight assemblies, plus a center high mounted stop lamp (CHMSL) mounted on the rear hatch. If only one light is out, you’ll likely replace the bulb in that outer taillight. If the CHMSL is dark, you may need to replace that bulb or its module. Have a helper press the brake pedal while you visually inspect from the outside to confirm which lamp is failing.
What you’ll need
Before you start, gather the following tools and parts. This list helps ensure you can complete the job without repeated trips to the parts store.
Below are the steps for replacing the bulb in the outer rear taillight assembly. Use a separate, similar process for the center high mount brake light if needed.
- Open the rear hatch and locate the taillight housing on the side you’re servicing. If your Odyssey has an interior trunk panel covering the back of the taillight, remove or loosen it to gain access to the bulb socket.
- Remove the screws or clips securing the taillight assembly to the body, then gently pull the housing away from the vehicle. Be careful not to crack the lens.
- Detach the electrical connector from the bulb socket by pressing the release tab and pulling apart.
- Turn the bulb socket counterclockwise to release it from the taillight housing, then pull the old bulb straight out.
- Handle the new bulb with a clean cloth or gloves. Insert the new bulb into the socket, then align and insert the socket back into the taillight housing. Turn clockwise to lock if required.
- Reconnect the electrical connector, reposition the taillight housing, and secure it with the screws or clips you removed earlier. Reinstall any interior trim or panels you took off.
- Test the brake light by pressing the brake pedal with the ignition on to confirm the new bulb lights up. If it doesn’t, double-check the bulb seating and the connector, and inspect the fuse if needed.
Concluding: Replacing the outer taillight bulb is typically a matter of removing the back panel or taillight housing, swapping the bulb, and reseating the assembly. If the bulb burns out again quickly, verify the ballast or wiring for damage and check the fuse.
Replacing the center high mount brake light (CHMSL)
If your Odyssey’s center high mount brake light is not illuminating, it may require a separate bulb replacement or, in some cases, a replacement module. The CHMSL is accessed through the rear hatch or center area above the window, and the procedure differs from the outer taillights.
- Open the rear hatch and locate the CHMSL lens or housing at the top center of the rear opening.
- Remove any trim pieces or screws securing the CHMSL lens, then carefully pry the lens free to expose the bulb socket.
- Disconnect the bulb socket from the CHMSL wiring harness.
- Twist the bulb socket counterclockwise to release and remove the bulb. Install the new bulb, avoiding direct contact with the glass.
- Reconnect the bulb socket to the wiring harness, reseat the CHMSL lens, and reattach any trim or screws.
- Test the CHMSL by pressing the brake pedal to ensure the center light illuminates.
Concluding: The CHMSL replacement steps are similar in sequence to the outer taillight steps but focus on the center housing. If the CHMSL uses an LED module rather than a replaceable bulb, the entire unit may need replacement rather than a single bulb.
Testing and troubleshooting tips
After replacing any brake light bulb, test all rear lighting to confirm proper operation. If the new bulb fails to illuminate:
- Double-check that the bulb is properly seated in the socket and that the socket is fully engaged with the housing.
- Inspect the corresponding fuse(s) in the interior fuse box or power distribution center. Refer to the owner’s manual for exact locations and fuse numbers.
- Check for corrosion or a damaged wiring harness at the socket connectors and clean contacts if needed.
If the CHMSL is LED and non-replaceable, and it’s out, you may need to replace the entire CHMSL assembly. If you’re unsure, consult a professional or the dealership for the correct replacement part.
Safety considerations
Always disconnect the vehicle’s battery or ensure the ignition is off when working with electrical components to prevent shocks or shorts. Use gloves to handle bulbs to avoid oil contamination on the glass, which can shorten bulb life. Work in a well-lit, flat area and keep track of small screws and fasteners.


