Question about Cars & Trucks
Warning buzzer contiously sounds, for a few minutes, then stops, then starts again. any possible reasons and solutions?
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Posted on Jan 02, 2017
SOURCE: 2004 Lincoln Town Car
As in most electrical problems, it would be required to do a bit of tracing/diagnosis to determine which is at fault. Most automotive horn system works on the same basic design. A switch in the steering wheel that energizes the horn relay that in turn powers the horn(s). A self activating horn could be caused by:
1: intermittent short in the steering wheel horn button;
2. intermittent shorting out horn relay;
3. intermittent short in the wiring.
Basing on the above possibilities, diagnostic/corrective action would involve:
a. tapping on the steering wheel (not the horn button) to see if jarring it would activate the horn, if yes then the problem is with the horn switch and often cleaning the inside/contact points of the switch should be corrective;
b. tapping the horn relay with the handle of a screwdriver to determine if jarring it would activate the horn, if yes then the problem is with the horn relay which of course would need replacement;
c. the wiring would be a bit more complicated if not time consuming. It would be necessary to wiggle the wires coming from the steering wheel/column to the main harness, to the fuse/relay bank finally to the horn to check at which point the trouble would resurface. Taping any exposed/bare/scraped wire would be corrective. It should be noted that the steering horn switch often would be "to ground" meaning the horn switch is switching the horn relay by providing the negative path, the relay is constantly supplied with B+12.
There are some instances that the horn could also activated by an alarm system.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
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Posted on Jul 02, 2008
Probably the alternator died, then used up all the power in your battery to keep the car running.
Have your alternator tested and maybe replaced. The battery needs tested also.
Hope this helps
Posted on Sep 17, 2008
The blinking light is giving you a code and according to what you have listed that would be a code 25. However there is no code 25 for this system are you sure that it is not a 52 instead? If so then this code is for a loss of power to the module. Did you have battery go dead recently? If this is the case then you can clear it yourself. You will have to locate a gray 2 wire connector behind the glove box first. Here are the instructions to clear the code 52.
Posted on Jan 29, 2009
Most common cause of stalling for Lincolns in that era is the TPS (Throttle Position Sensor). It regulates fuel mixture, idle speed etc. A bad TPS will usually act up in one of two ways:
Posted on Jun 16, 2009
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