bmw e36 1998 328i Harmon Kardon Amp question - Bimmerfest - BMW Forums

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E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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Old 02-13-2013, 01:59 PM
javiersolismx javiersolismx is offline
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Location: Houston
Join Date: Dec 2012
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Mein Auto: 1998 BMW 328i
bmw e36 1998 328i Harmon Kardon Amp question

I upgraded my Audio amplifier to a Harmon Kardon. The HK amp has 3 input ports. Two large cable trunk inputs and one small one. What is the small input used for? It appears to have only two wires feeding this small input port (from pictures I've seen).

thanks guys !!!

Last edited by javiersolismx; 02-13-2013 at 04:53 PM. Reason: Clarification
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Old 02-13-2013, 03:56 PM
tiger8mush tiger8mush is offline
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Location: Connecticut
Join Date: Mar 2011
Posts: 35
Mein Auto: 1996 328is
Not really sure w/o seeing pictures. In general, the inputs to an amplifier are:
1) power (usually thickest wire)
2) either RCAs or speaker-level inputs
3) signal turn-on (skinny wire, tells the amp to turn on when the head unit is turned on, and off when the head unit is turned off)

1) ground (also thick, usually same thickness as input power)
2) wire to speakers
3) other - if you are powering another amp, this amp may have outputs to power/feed audio to that other amp

good luck!
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Old 02-13-2013, 06:11 PM
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dc_wright dc_wright is offline
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Mein Auto: '06 Z4 3.0si, '11 128CiC
Go to the "Useful Links" sticky and click on the 2nd link. It will get you to a PDF copy of the Bentley manual which has full wiring diagrams for the E36, including the audio system.
2006 Z4 3.0si Sport Package (But I'll still hang with my "homies" in the E36 forum)

Last edited by dc_wright; 02-13-2013 at 06:13 PM.
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