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check the bulb monator. it will cause this problem


Test / Replace brake light switch first (small button depressed by the brake lever when brake is NOT pushed - has only two wires). Test by connectung wires to one another and see if brake lights work. If they work, replace the switch. If they still don't work, replace the bulb failure warning sensor. It is a red cylinder with many (12?) wires going in and out in a round pattern on the open side - it isbelow and to the left of the steering column. You have to remove the panel below the steering column. Pop the plugs with a screwdriver to expose the screws beneath.

Reply #9 SS Gravy ( - Thu Feb 24 10:47:34 2011

Reply 8 from Sean is probably best place to start. Try the bulb failure warning sensor first because it is easy to get to, above the fuse panel. The brake light switch is a nightmare to get out, you need just the right compact wrench and some yoga lessons. There are 2 switches working off the brake pedal, The long round black plastic (easy to get to) one is your cruise control switch. Attached through the steering column plate above and to the right of CC switch is the full metal break light switch. GOod luck!

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โˆ™ 2011-02-24 16:06:45
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Q: The brake lights on an 89 Volvo 740 turbo went out a while ago checked the bulbs and there is power going to the pedal switch also the bulb out dash light doesn't come on?
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