1397Re: [force_ev] Radio Interference
- Oct 7, 2005I, too, have had problems with RFI. I presumed that all Force owners
experienced it. The zippered wire shield doesn't do much good even
when installed properly with ty-wraps at each end to ensure good
electrical connection to ground potential. Even with the drive
turned off, the radio reception is weak for all but the very local
stations. I tried adding an in-line antenna amplifier but it did no
good against the RFI. I also checked for proper ground of the
antenna coax at the roof edge. All OK. I suspect that the problem
is at least partially due to the poor antenna design on the
late-model Metro. An add-on vertical antenna would probably help,
but would spoil the looks of the car.
>Interesting. Does your car have the zippered wire mesh shield wrapper
>around the three Anderson connectors (usually red/white/blue) between
>the motor controller and motor? That should knock out most interference.
>I'm not sure about the DC-DC converter's adjustability. Please post
>what you find out on that!
>Anil Paryani wrote:
>>I am planning to install a new stereo. I can't listen
>>to most AM and lower frequency FM stations due to the
>>Motor Controller EMI.
>>1. Is there any concern chassis grounding the motor
>>controller box to reduce EMI.
>>2. Also, is it possible to adjust the DC-DC voltage
>>(with an internal POT) to output something closer to
> >14V rather than 12.0V which it is set at now.
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