The 250-4153 is a speed signal generator that goes in-line with a GM style speedometer cable, at the transmission. Simply unscrew the OEM cable from the transmission, thread the 250-4153 into the transmission, then thread the OEM cable on to the 250-4153. Produces an 8000ppm sine wave signal. The 4153 kit comes with a 7" speedo cable extension that has to be used. If you do not require the 7" extension, you will need the 250-4160 speed signal kit. Please call with any application or installation questions.
250-4153 Customer FAQ
Where does the 250-4153 install?
It installs in line with a GM-style speedometer cable at the transmission: the generator threads into the transmission and the OEM cable threads onto it.
What signal does the 250-4153 produce?
The listing specifies an 8000-ppm sine-wave signal.
Must the supplied seven-inch extension be used?
Yes. The listing says the supplied seven-inch speedometer-cable extension must be used. It identifies 250-4160 for an application that does not require that extension.
1 Review
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Rotary speed signal generator
Simple and effective. Easy to install and reliable. I have used several of these on different collector cars which do not have factory speed signal generators and I have never had one let me down.
