Yes you would need new wires as the stock Bose wires are to small.
It's not that hard, Just pull the rocker speaker enclosures and run the wires from there to the back.
Do you have the C68 climate control A/C?
The resistors are .5 ohms. I bought them from Radio shack.
They wire into the...
With ll you did, I can see it taking longer.
I replaced the speakers and re- wired , but I was able to use the stock Bose enclosures.
There had been an aftermarket radio in before so I didn't have to do any cutting.
The by pass harness was easy as was the antenna extension
I bought a Kenwood at Online Stereo that has the AUX port for an Ipod or mp3 player. It was less than $200.00.
You will need the install kit , the amp bypass harness and the antenna extention.
You can find good speakers pretty reasonable on line, you will need to replace the Bose stuff.
You...
Glad you got it working and what seems to be a reasonable cost.
My problem with my 90 was the green wire from the ECM that fed the low pressure switch was cut. repaired wire, clutch came on.
Boom,
The path should be from the control head to the a/c heat programmer controller through the relay to the ECM to the loe pressure switch to the compressor.
PM me your phone number and maybe I can help if the 87 and 90 systems are the same.
the C-68 option sends a data signal from the control unit through the radio HU.
the resistors go into the wiring harness behind the HU not at the Radio Rec box( on the 90).
It is part of the factory harness.
I installed the resistors on my 90 and if I remember it had more to do with the C68 climate control than the radio. It seems there is a data stream that it looks for and if the wire is cut it triggers the sys light.
Boom,
The relays are cheap, but you can test the one you have by checking the voltage one one wire then turning on the A/C and see if the voltage transfers to the other big wire.
On the 90 the tan wire is the one you ground for the Compressor(I think)
Here goes. In the order I owned them.
56 ford Victoria( first car)
1969 Coronet R/T (New)
1970 Cuda
1974 442 (new)
1976 Ford Elite (new)
1970 Corvette
1978 Corvette(new)
1978 Cougar XR7 (new)
1963 Corvette roadster
1979 Corvette (new)
1978 Corvette(again)(anniversary edition)
1970 Dodge...
The new 79 I had was the last year for Laquer, and was painted in St. louis ,and as bad as the paint job was I believe they used the same equipment then that they used in 1953.
I finally convinced GM to repaint the entire car.
When they moved to Bowling Green in 1980 I believe that was the...
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