1987 Accord - Rear Deck brake warning lamp comes on frequently
My rear deck brake warning lamp comes on frequently, usually after the car has been running like 10 minutes and/or after I've pressed the brake a few times. I really can't find a definite pattern to re-create this problem on demand, but it happens nearly every day. The brake light works though, its just some faulty warning. Ideas?
It's not a big deal unless that dash light really annoys you.. I've owned 4 Honda Accords ('83, 87, and two '89 models) and they've ALL done the same thing. I just learned to live with it, after all it doesn't mean you really have a brake light or tail light out at all, just a quirky thing about these cars, probably a sensor. And given that I've gotten over 300,000 miles out of EVERY oldr Accord I've owned, without major problems or huge repair bills, that little "idiot light" on the dash is just fine with me! One consistent problem I have had however is water leaking and collecting in the tail lights themselves (I use a small drill bit to drain water from the tail light without cracking it) and also water leaking into the spare tire compartment in the trunk (I drill a hole right thru the metal with large drill bit to drain this water and have no water buildup after that).. I've found that with just basic maintanence these vehicles last FOREVER so take care of it and it will take care of you, and don't sweat the small stuff as long as it gets u from A to B...
Low fluid, Improper bad thickenss, faulty e-brake wiring all could cause the problem you describe. Set the e-brake and attempt to drive ahead it should put the vehicle under allot of load or slide the rear tires if the cable is adjusted correctly along with the brakes. If you need any farther support with your issue, i'd be glad to assist you. Thank you for using fixya.com
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From 2006 to 2010, the Sonata's 3rd brake lamp requires the rear package deck be removed to access that bulb. 1. Remove the rear passenger seat bottom (remove two12mm bolts between the seat back and the seat bottom - tilt the seat back forward to locate these bolts). a. Press the two bottom front edge tabs to release the front of the seat bottom from the floor. b. Remove seat bottom & set aside w/two 12mm bolts c. Tilt both seat backs downward 2. Remove the left & right hand shoulder cushions (12 mm bolt at the bottom of each cushion) a. Remove seat belt from shoulder cushion guide at the top of the cushion b. Lift up and forward on shoulder cushions to remove them (if equipped with side airbags, disconnect wire harness connector). c. Set shoulder cushions aside w/two 12mm bolts 3. Using a small flathead screwdriver, pop out the 'SRS' button cover from the C pillar panels on the left & right hand side to access either the phillips head screws, 10mm bolts, or #30 Torque Screws a. Remove screws and set aside b. Using a standard flathead screwdriver, pop out the C pillar panels on both sides (clips hold these panels in place) c. Set these panels aside after removal w/screws/bolts 4. Trunk Access-way panels are held in place by phillips head screws (two at the bottom (left and right hand sides) and 4 to 5 at the top . a. Remove left and right hand panels and set aside w/screws. 5. Rear package deck held in place with two plastic clips (white, yellow or pink) a. lie on your back inside the trunk (trunk lid open to allow for more light). Looking through access hole find 3rd brake light wire harness connector & disconnect. b. locate package deck clips, one on the left and another on the right on the underside of the pckage deck c. Squeeze clips to push them out - package deck will come loose d. Remove package deck & remove 3rd brake lamp bulb socket (turn counter clockwise to remove). Replace bulb & reassemble in reverse order.
I assume you have replaced the lamps/globes with new ones, if not this is the first thing to try.
If your car is fitted with a "faulty light" sensor, ( i.e. if a warning light on the dashboard comes on when you apply the brake and a brake light bulb is not working), this may be the problem. Follow the wiring for the rear lights from the light clusters inside the trunk and you may find the wiring harness plugged into an encapsulated unit in the rear somewhere. Test if power is coming out of this unit when brakes are applied. Or, remove the covers on the brake light clusters from inside the car and check the wiring to the rear window brake light. Very often this is connected to the same ground as the drivers side light. However, the parking and tail and reversing lights usually work off the same ground, so this seems unlikely.
replace the bulb...??? This requires you remove the rear package deck (to access the bulb & socket). to do this, remove the seat bottom (two bolts hold the rear seat bottom to the chassis, then remove the bolts which hold the shoulder cushions (LH & RH - 12mm bolts) then remove the cosmetic molding around the trunk access (7 to 8 screws) then remove the "C" pillar covers (SRS curtain airbag LH & RH) to access the rear deck package & access the third brake lamp bulb. replace it, then reassemble.
have you changed any bulbs in the rear lights yet? you can put 2 different bulbs in the 3rd brake lamp,921 and a 922. one of them will read the wrong resistance and then you will get a lamp out warning. check and make sure that they all match
My 1990 Honda Accord does this too. When I wash it or when it rains. If I open the trunk/deck lid water flows out of the right rear tail light housing into the trunk.
Solution: get some rubber gasket sealant and apply under the lower gasket around the rear window on each side at the corners. Allow for drying time. Close the trunk and try some water if this doesn't work you will likely have to replace the rear window seal.