Quote:
Originally Posted by ejicon
I have a 2008 WRX with a Non-Navi Clarion HU. Is there a way to find out whether my HU uses the 14-pin connection or the 20-pin connection without taking the dash apart? Thanks.
Also, if I purchase a 14-pin oem subwoofer, and it turns out my radio is a 20-pin unit, do you sell a reverse harness to get the 14-pin Subwoofer to work with a 20-pin HU?
Last and least, Can I purchase an OEM underseat subwoofer from a previous year Subaru and use it in my car with the right harness?
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All non-nav 2008-2014 Impreza/WRX/STi (including your 2008 WRX) use the newer 20-pin power/speaker harness. Likewise for non-nav 2009-2014 Forester.
Most of the Impreza and Forester accessory under-seat subwoofers are the same (the sub unit itself). The main difference is the T-harness (having either 14-pin or 20-pin radio connectors), and the metal mounting brackets (to cope with different models' seat rails).
In early years, there were at least two sizes of subs -- "80 Watt" and "140 Watt" Subaru's numbers), but I think all recent ones are now the larger size.
I can supply harnesses you can use to adapt a T-harness with 14-pin connectors to work with a radio that uses the 20-pin connector.
You can also order a complete OEM T-harness from Subaru parts. Those run about $95 shipped from the discount online vendors. You'll be able to make back much of that by selling the 14-pin T-harness on any of the Subaru forums.