If your car has one, take the vacuum line to the modulator off and if there is fluid inside, the modulator is bad.
Horn valve? Please give more info.
A 1993 Jeep does not have a transmission modulator valve.
NO IT DOES NOT.
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Where is the horn located on a 1993 chevy blazer
The At modulator valve is located on the side of the transmission between the transmission tunnel. you may have to lower transmission to get to it.
It does not have one, it is computer controled.
Check your EGR valve Check EGR valve
On the Ford A4LD automatic transmission the modulator valve is on the passenger side of the transmission ( it might be behind a heat shield )
3500
your a fatty
yes they are