Has new battery. No draw on alternator. All lights turn off. Sometimes draw is .23 amp. Other times 3.6 amp. Battery draining sometimes overnight. Has over 3 amp draw. When #11 fuse removed (ac clutch relay feed) under the hood the draw stops. Also have climate control issue. After driving for 30 min or so. The air stops blowing into the cab. Fan is running but no air comes out. This occurs in heat and air cond mode. Seems like damper doors close off.
Make sure battery surface is clean and dry. No liquid or fluid !
Mai Lor
SOURCE: Acura MDX A/C won't come on
I went to an Acura dealer to buy the transistor for the rear A/C unit. The service advisor told me that the problem with the front A/C was probably due to a defective front transistor / resistor. I bought that part too.
The front transistor is located next to the blower motor under the dash on the passenger's side. It is secured by three or four small bolts. The one on the bottom left is very close to the carpet and the most difficult to get off and put back on.
The rear transistor is located behind the carpeted trim panel on the center console (driver's side). The carpeted trim panel is secured by clips only - there are no screws, so remove it carefully starting at the side near the accellerator pedal. Once the panel has been removed, reach inside a small hole in the metal frame to access the rear transistor. It is removed by twisting it and pulling it out. The hole in the frame is small and you might find pliers helpful.
After replacing both parts, the front and rear A/C are working. Apparently these transistors are common failures. If the A/C is out in your Acura MDX and the fuse checks good, a new transistor will likely solve your problem.
SOURCE: 97 dodge dakoata main fuse keeps blowing 140 amp fuse
Regulator in alternator obviously faulty, have it bench tested & fixed or replace alternator, and cure your problem.
SOURCE: 2002 Kia Sedona new battery & alternator car dies while driving
hey buddy the same that happeanto me, its your alternator dont make any one give you the run a around alternator for sure. i got my alternator from gb500 it cost about $160.00 after tax.
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Battery is new and clean. Problem was aic cond clutch relay was sticking. Removed relay and switched with horn relay. Horn then honked. Relay was sticking.. Now is not draining. Ordered new relay from auto zone.$44. I have inductive amp meter from sears. That can tell you where and how much draw there is.
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