[PDF] wwwmeter 4 Cyl.- Both switches down 6 Cyl.- Switch #1 down. Switch #2 up 8 Cyl.- Both switches up 4 cylinder Cylinder 8 cylinder 12V Dash Lighting (+) 3. Replace the case on the tach with mounting bracket at the bottom (make sure the wires are clear of the screw hole). 4 Videos of autometer tach wiring 4 cylinder Click to view on YouTube13:04How to Install a Tach / Tachometer Installation (Autometer / Greddy) | AnthonyJ350102K viewsYouTube · 3 years agoClick to view on YouTube1:03Autometer Basic Tach Installation Wiring Instructions Tutorial How-To17K viewsYouTube · 3 years agoClick to view on YouTube2:06Wiring An External Tachometer1 viewsYouTube · 1 year agoSee more videos of autometer tach wiring 4 cylinder Auto Meter tach w/no 4/6/8 cyl switch- how do i get 4cyl mode? Nov 18, 2010Auto Meter tach w/no 4/6/8 cyl switch- how do i get 4cyl mode? If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below.