Car Hacking: Permanent fix for Civic cruise control switch

9 Oct

Jovian Outpost

A few months ago, the cruise switch on my 2007 Honda Civic changed from a toggle to a momentary; the mechanical latch in the switch failed. This switch acts as a master enable for cruise control functionality, so the latch failure meant that I had to hold the switch down to use cruise control. The options to fix it were to pay someone two to three hundred or more to do it for me, pay over $80 to get a new switch assembly and install it myself, or attempt to solder a resistor that cost me a penny years ago into the right spot. Only that last option can ensure the problem will never happen again. I figured that if I was going to take apart enough of the steering wheel to replace the switch assembly, I may as well do a little more disassembly to put in the resistor…

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