I could really use some help here and it is probably a very simple problem... when driving or even when idling, it seems as though something 'kicks' on like a fan or something, but i am not sure... and the headlights dim a little, the wipers (if they are on) slow down.... then, it seems to 'kick off' and the lights are back to normal brightness again...wipers at normal speed...i would like to get this fixed asap but i don't want some mechanic telling me that it is something that it isn't... can anyone give me a few ideas as to what you think this may be...also, after i had the thermostat changed last summer, there is a squeaking in the engine, i am assuming a belt... it stops squeaking after driving for a out 20 minutes... again, have NO idea...thank you so much for any insight you can provide!
The squeak noise is probably a belt. Most likely it has moisture underneath it that evaporates once the engine gets warm. Its a good idea to change your belts every couple of years, just make sure you use a Gates brand belt. Mazda engines are particular about their belts. May be a good idea to change the timing belt too, about every 60,000 miles.
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The short answer to you question is yes, eventually. The transmission fluid on the wires can harden the insulation on the wires which then cracks when the wires flex and at that point it can short out. The lights dimming and the wipers slowing are indications of a high power draw and add to that it gets worse when it's wet make it a lock that you have, probably, bad wires. Carefully inspect the full length of the wires. If you find cracked or worn insulation either repair the short if it is worn or replace the wiring harness if the insulation is at all cracked. Most likely it will be a major power line. Good luck.
It sounds like 3 separate problems to me. As for the gas light... I assume this is the low fuel light? Don't know. Probably a sensor problem in the tank itself. The wipers will either be the switch or the little circuit board under the cover on the wiper motor, and the instrument cluster is also probably as simple as the fuse, or it will be the switch itself. ( the part that dims the dash lights)
The wipers on that vehicle work with vacuum, if the vacuum is low, (which it would be sitting at an idle) then the wipers will slow or even stop,, try reving the motor just a little to see if that improves the problem, if it does, Lube the mechanical portions of the wiper assembly ,,
If you can hear a click (quite loud) from the engine compartment, but
the starter won't crank, this also could be caused by discharged
battery.Battery problems - Discharged or dead battery is one of
the possible reasons for a car not to start. Very common is the
situation when we forget to turn the lights off overnight (the dome
light, for example), which causes the battery to drain. In this case
when attempting to start a car, all you will probably hear will be a
clicking noise - there won't be enough power to turn the starter.
Here is the simple way to check if the battery is discharged: Turn the
ignition on. With the engine off, turn the windshield wipers on. If
they move way too slow, much slower than usual, the battery is probably
Also look at the dashboard lights - if they appear very dim, the battery
is probably discharged.
If the battery is relatively new, it can be recharged. All you need
to do is to boost your car and let the engine run for a while to charge
However if your battery is more than three-four years
old, you will probably need to buy a new one. Sometimes, an old battery
may even die with no apparent reason, even if the day before it was OK.
If the battery is OK, the starter solenoid, starter
cables or the starter motor itself could be a problem.
You may want to check for a broken vacume line it will cause a high acceleration. Also have the code extracted and see what it says let me know or post it it would be helpful in giving you a more precise diagnosis.
fix the idle speed to 850-900 rpm
check the alternator and voltage regulator as the voltage should read 14.5-14.8 volts dc at 1000rpm or higher regardless of what is running
have it bench tested by an accredited auto electrician