Knock detector question

[BOP4ever]

Anyone know if these work well and how they hook up ?

GBodyParts.com Online

 

[GNVenom]

Here's the hookup:

http://www.installationinstructions.com/102010.pdf

 

[Just a Six??]

They work well but I would also get the audible unit to add to it so when it starts beeping it gets your attention!!

 

[Boost231]

the link was to the audible one. i have one. they work and they get you attention. very easy to install and its good just to have it there incase your not paying attention.