I have a 1993 300E 2.8L with a bad cruise control. I posted earlier and got some good info regarding the amplifier (probably dead) but don't know where it is located. One source says under the dash on the dr side and one says on the pass side. There is also a question of whether the car will idle without the unit attached. The question seems to revolve around whether or not my car has an electronic accelerator. Any help?

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1993 300E 2.8 185k miles
2006 Mustang Convertible 4.0 Eaton Supercharged