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  • From
    Fort Walton Beach FL US
  • Porsche Club
  • Present cars
    2001 Porsche Boxster
  • Future cars
    Boxster S
  • Former cars
    BMW Z4

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CJordan's Achievements


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  1. Thanks, all. I'll continue to research options with the four-channel amp and pass on anything new that I discover.
  2. Thanks, Kevin. The previous owner had installed a set of full-range speakers in the doors as well as replacements in the dash. The door speakers are barely audible. Since the Haes amplifier is supposed to have four-channels, I was hoping to find the "second" set of channels (rear, left and right shown on some wiring diagrams for an M490 system) to bring the door speakers up as a fully-functional rear channel. I have since learned that the "second" set of two channels on this amp are the low pass filtered circuits to the door speakers. These circuits do not respond to the fader function, so are therefore not part of a secondary channel in the typical sense. Attached is the M490 system diagram showing the additional rear channels. Although the actual amp is not identified, my pin configuration is identical. If there is output at pins B16, B6, B15, B5, then I might have the rear channel. More testing is in the works. If there's nothing there, your suggestion of a new amplifier is probably the way to go. Thanks again.
  3. Searched but could not find definitive discussion of this amplifier's functions. My 2001 with M490 (dash and door speakers, no rear speakers) has the "four-channel" Haes amp, but the stock setup has no controllable "rear" channel. All speakers currently operate on the "front" setting only. What (if any) function is active on the second (rear?) channel for this amp (and which pin numbers identify this channel?) I understand that the door speakers are fed only low frequency signals from the amp, but are they on the second "channel" - not controlled separately from the head unit? Are there any unused output pins from this amplifier that may be used to drive the door speakers independently of the filtered signal now being supplied by the amp's current wiring? Several wiring diagrams suggest that a second (rear) channel may be available from the amp to drive any additional rear speakers, or a set of full-range door speakers. Any help is most appreciated.
  4. Check that the hexagon nut at the top of the strut assembly is tight while the car is on the ground. There should be no movement of the stop plate (inverted washer) when the nut is tightened down.
  5. Just finished reassembling rear suspension on 2001 Boxster. Now, how do you guys torque the axle nuts up to 325 ft-lbs? Special wrench?
  6. Do you have a source on Amazon from which to order these?
  7. While replacing my front and rear suspension components on my 2001 Boxster (Base), I encountered numerous rubber grommets that suspend electrical lines (brake wear sensors, ABS sensors, etc) from the main strut brace and the inner fender wells. These grommets had become very brittle and some were missing entirely. I have been unable to definitively identify the part number(s) in the Porsche parts manual and am looking for a solution. Many thanks in advance. CJ
  8. OK, thanks. BTW - the radio code you provided worked perfectly! Thanks, again.
  9. New to this forum and tried the link above (now broken). Is there an alternate?
  10. One more request: 2001 Boxster Base Becker CDR-220 Type 4462 Serial Number: Y5053289 Many thanks!
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