im trying to install a HU in my 98 avy and i got the 98 avalon wiring harness from walmart but it just doesnt seem to match anything up what did i do wrong?
try best buy or circuit city... they carry the correct one... only has four wires... takes about a toatl of 5 min.... and maybe 7 if soldering the harness...
you also need to bypass the factory amp. costed me 90 dollors for a local shop to install headunit and bypass amp. prob got ripped off but best buy was about to charge 150+
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93 toyota pickup 2wd 4cyl 140k
98 toyota avalon 155k
06 toyota camry LE
you do not need to by pass the factory amp!!! if you use the correct harness and a deck with at least two sets of rca jacks out the back you connect these wires
yellow- constant
red- switched power
black- ground
blue/white- amp turn on
blue-power antenna (for older models that have one)
four rca's from the harness
white-front left
gray-front right
purple-right rear
green-left rear
purple and green might be backwards.. I always get them wrong
like I said in the previous post... it's only like 4 or 5 wires depending on car.... and plug in a couple of rca's... takes about 15 min.....
if the shop told you they had to buypass the amp they are wrong and in experienced..... the harness only cost about $15 and has been out for at least 8 years
what brand stereo you use?? did you hook up the blue wire with the white stripe??that is the amp turn-on wire asnd it needs to be conected to turn the factory amp on... depending on the brand I can tell you which color wire needs to be hoooked up
share the love, supra, what did you do to get it working?
Let me get this straight, then, what you are doing is using pre-amp output from the new HU and using the factory amp to power you speakers?
I just bypassed the amp--see the thread down a couple-- and with my 97 the base power in the pioneer sounds better than the factory amp.
What I am trying to decide now is if the previous owner messed up the positives and negatives at the speakers, or is the somewaht hollow, deep soud that I am hearing just because of the bellows behind the small 4 inch speakers in the doors. Even with the better sound, I am jonzing for some bigger rear deck speakers!
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1997 Avalon XLS (black, black leather, tinted windows), sold June 2009 with 183K on it, still looking and running great!
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