Update for anyone still thinking about this. I got an email from squiggy. He was using the vacuum model from AudioVox (he fried something and it doesn't work now but he's going to try again later).
There is another, electronic model from Rostra that is $195.
I found the AudioVox for $90. That includes the magnets for speed sensor (I can't think of how to connect to the speed sensor on the 98+. Requires info like pulses per minute and a few other things). The AudioVox kit includes the dash mount controller as well. Only other thing you would need is a vacuum canister. Squiggy built one out of PVC but you can also buy one for about $15.
If my bonus pans out this week (although other maintenance items really need to come first), I may pick it up and give it a whirl. If I do, I'll post up a write-up.
There is another, electronic model from Rostra that is $195.
I found the AudioVox for $90. That includes the magnets for speed sensor (I can't think of how to connect to the speed sensor on the 98+. Requires info like pulses per minute and a few other things). The AudioVox kit includes the dash mount controller as well. Only other thing you would need is a vacuum canister. Squiggy built one out of PVC but you can also buy one for about $15.
If my bonus pans out this week (although other maintenance items really need to come first), I may pick it up and give it a whirl. If I do, I'll post up a write-up.
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