Cruise Reed Switch
Posted 31 May 2020 - 11:16 AM
Does anyone know if it's terminal labeled 1 or terminal labeled 2 that is the output of the reed switch going to the cruise module?
Posted 31 May 2020 - 12:43 PM
The sensor itself is a little glass cylinder with tiny contacts inside it that flex and touch in the presence of a magnetic field; it is known as a "reed switch." It's not that different from the sensors used in home alarm systems for windows for example and is commonly available. The speedometer unit itself, including the magnet and reed switch, are Nippondenso parts and can be found on any number of 1970s-1980s vintage imports. The reed switch and its mounting bracket and screws fit my '78 Corolla for example - I retrofitted a StarQuest cruise control to my Corolla many years ago.
Posted 31 May 2020 - 01:45 PM
My point #2 is a purple wire that is connected via a ring terminal to the harness. Checked my 86 and a random cluster I have and all three are setup that way.
There is a trace running from point #2 to a small 3 pin connector, however none of my gauge sets have anything in that housing to connect to the pin
Posted 02 June 2020 - 08:15 PM
And do you know how many MPH 4 pulses is equal to?
Edited by tux, 02 June 2020 - 08:17 PM.
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