Whitecap Flush Mount Cup Holder w/Blue LED Light - Stainless Steel [S-3511BC] Communication | Mobile Broadband Tachometers work by counting pulses

Tachometers work by counting pulses generated by the ignition system

2723 DualBus Plus 5/16" Stud - 5 x 10 - 32 Screw Terminal

or to start counting up to track elapsed time

1800 GPH Non-Automatic 110V Pump

This reduces the possibility of line fraying and enhanced drag as the line streams sideways out of the roller tip instead of over the roller

Whitecap Flush Mount Cup Holder w/Blue LED Light - Stainless Steel [S-3511BC] Communication | Mobile Broadband Tachometers work by counting pulsesFlush Mount Cup Holder w Blue LED Light Stainless Steel LED Illuminated Flush Cup holder with Blue light Cut Out: 3 3 4" O. D.: 4 1 4" Uses 12V battery power Comes with 6" wire leads Includes Thick Mounting Gasket, pad & 3 8" drain tube Fits cams, bottles & can coolers