Rear defogger sometimes cuts off the car.
03-04-07, 09:33 PM
#1
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Rear defogger sometimes cuts off the car.
Found a 1987 RX-7 for sale. Good running condition, however it says that the rear window defogger sometimes cuts the car off. What might cause that?
03-05-07, 01:15 AM
#3
make sure the wire isnt discombobulated and grounding out. that could cause a short, look for the grounds and make sure theyre clean and connected tightly. have you had any work done on the car recently? someone may have messed something up.
03-05-07, 02:12 AM
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It ain't the CAS...
Make sure either the seller has explained the problem correctly, or that you've understood it properly. It seems extremely unlikely that the rear demistor would make the car "cut off". Maybe it just stalls when the demistor is turned on while idling?
Make sure either the seller has explained the problem correctly, or that you've understood it properly. It seems extremely unlikely that the rear demistor would make the car "cut off". Maybe it just stalls when the demistor is turned on while idling?
Last edited by NZConvertible; 03-05-07 at 02:19 AM.
03-05-07, 02:31 AM
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wtf is s demistor?
If it would be anything, it would be his BAC valve. The rear defroster is essentially a big electrical short by design. It draws a LOT of current.. If the BAC didn't compensate the idle for the increased load, the car might die.
To fix this problem, you would either adjust the TPS, BAC, or both.
If it would be anything, it would be his BAC valve. The rear defroster is essentially a big electrical short by design. It draws a LOT of current.. If the BAC didn't compensate the idle for the increased load, the car might die.
To fix this problem, you would either adjust the TPS, BAC, or both.
03-05-07, 08:06 AM
#6
Originally Posted by micaheli
wtf is s demistor?
If it would be anything, it would be his BAC valve. The rear defroster is essentially a big electrical short by design. It draws a LOT of current.. If the BAC didn't compensate the idle for the increased load, the car might die.
To fix this problem, you would either adjust the TPS, BAC, or both.
If it would be anything, it would be his BAC valve. The rear defroster is essentially a big electrical short by design. It draws a LOT of current.. If the BAC didn't compensate the idle for the increased load, the car might die.
To fix this problem, you would either adjust the TPS, BAC, or both.
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03-05-07, 04:57 PM
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Originally Posted by Hilramorre
So this would be something a good mazda mechanic could find without too much trouble?
There's no such thing as a good mazda mechanic at a dealership.
.
03-05-07, 10:56 PM
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This problem has nothing to do with the fact that it's a rotary. You don't need a rotary mechanic to work on the 95% of stuff in the car that isn't rotary-specific
03-06-07, 09:30 AM
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He used to work at a Mazda dealership as a mechanic, he now owns his own shop and works on Mazdas. My grandfather was a mechanic for 20 or 30 years and was trying to get him to work for him so he could expand to Mazdas too. His word of advice to me was before buying an RX7 have him check it out.
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