Basic HD Relay Center for Haltech NEXUS Engine Management Systems ECU Long term learning (Auto tune)

Long term learning (Auto tune) on fuel

This harness runs the pump at full speed

and make injector harness selection for stage II

boost & idle control maps (up to 4D)

One of the most unique features of the Boss engine is its hemi heads and two spark plugs per cylinder

Basic HD Relay Center for Haltech NEXUS Engine Management Systems ECU Long term learning (Auto tune)Simple yet versatile and durable relay centers now available! Capable of handling the largest pumps and fans for long duty cycles. Base footprint of 4. 5" x 3" 3. 5" overall height with relays installed Features 40A ISO relays on fused circuits 12" Deutsch terminated I O lead 40in heavy power input lead with 5 16" lug 10' flying leads for fuel pump & fan relay outputs What's in the Box Relay block w fuses & relays installed Mounting kit Tech Resources