*Products is for only on vehicles
with a 12V electrical system. Never use products on 24V vehicles.
*Tachometer can not be installed in diesel vehicles.
*Tachometer can not be installed in vehicles without a engine
revolution signal.
*Products can not be installed in altered vehicles.
*To install pressure gauges or temperature gauges, proper sensor
attachments are necessary. The thread sizes of sensors differ
depending on products. Refer to "PARTS LIST" and "HOW
TO INSTALL."