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Old 09 May 2008, 04:46 pm
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Default 1994 Honda Accord. Cruise went out, tail lights went out, and brake lights function like taillights?

I checked all the fuses and they are good inside and under hood. Dash light to indicate cruise is on, no work. Switch to engage cruise, works (grn lgt). Tail lights no worky - bulbs good. All three Brake lights are on when head lamps are on, get brighter when I depress the pedal. Any ideas?
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Old 09 May 2008, 05:01 pm
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now days this all runs thru a ECM or CPU on the vehicle. There may be a problem there. Also you may have a dead short or crossed short somewhere and the wires have burned away and are touching some of the other hot wires.
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Old 09 May 2008, 05:16 pm
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Faulty multifunction (combination) switch.
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Old 09 May 2008, 05:31 pm
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The cruise control won't work if the brake light switch or brake lamp circuit is open-circuited. When you press down on the brake pedal the switch opens the cruise control circuit and the cruise cuts out as it would obviously be unsafe for the cruise control to try to maintain the vehicle speed while you're trying to slow the vehicle down while braking.so the cruise and the brake problem are related. They do have the brake switch (found under the dash at the top of the brake pedal) in common.The issue with the brake lights being on when the headlights are on means they are getting power from somewhere when they shouldn't. That place they shouldn't is probably through the brake lamp switch circuit. The circuit is complete when the brake lights are ON. when the brakes are not applied the circuit should be open. You problem is that the power from the tailights is not running to ground but rather back through the brake lamp circuit in search of a ground. When you close the brake light switch you enable the ground for the brake lights so the lights get brighter operating as they should and that prohibits the taillights from using a powered circuit for ground. Hope that's not too confusing.I recommend you check the ground wires for your taillamp bulbs. They should be in the left rear corner of the trunk under the trunk mat or against the taillight panel. The grounds are usually black wires that run from one of the brake lamp sockets to the metal of the car body somewhere inside the trunk near the taillights. I think you're going to find one of those ground wires is loose or broken.if you find them intact, my next suspect would be the brake lamp switch. Let me know what you find out with the ground and if its not that I'll do some more research.hope that helps
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Old 09 May 2008, 06:16 pm
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When you say "bulbs GOOD"---have you replaced any of these bulbs recently---if you have the wrong bulb(single element in a dual element socket)or a bent cotact this can cause similar tailight issues--I think as far as HONDA GUYS idea of a brake switch issue for the cruise problem is most common.
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