I have a tachometer which I bought to replace mine because I thought it was broken - turned out it was a wiring
issue so I no longer need this.
It's about 4 years old, but in perfect condition - never installed.
Defender sells this unit for $225 - I dont recall
paying this much, but it was probably close (dumb mistake - I was sure the old one was hosed)
Still in original packaging, but it appears I've lost
the instruction manual, but I've included the link to it below.
Asking $100 or best offer