1988-1998 2WD GM Truck LS Gauges

For a 1988-1998 2WD C1500, Tahoe or Yukon swapped to an LS and fitted with traditional gauges. The tach adapter takes the distributorless LS ignition and makes a signal a conventional tach or shift light can use; the adapter fitting lets a traditional oil pressure gauge sensor thread into the LS.

Makes a traditional tach signal
Tach part ships without a harness
Conventional oil pressure sensor ready

Mounts, crossmember, headers and radiators for the truck are on the 1988-1998 2WD GM truck LS page. Gauge parts across all BRP chassis are under LS swap gauge components.

1988-1998 2WD GM truck LS gauge parts

Tach and shift light signal

Tach Adapter

Oil pressure fitting

Oil Pressure Adapter Fitting

What these OBS truck gauge parts do

Tach Adapter: a signal adapter for distributorless ignition, so a factory or aftermarket traditional tach or a shift light keeps working.
Oil Pressure Adapter Fitting: allows a traditional oil pressure gauge sensor on the swapped LS.

2WD truck gauge notes

This listing does not include the BRP LS harness; it is meant for builds where you make your own connections.
The tach adapter and fitting are shared LS parts that BRP offers on its other chassis pages too.
The 1988-1998 2WD truck guide covers mounts, the oil pan, fan, transmissions, manifolds and A/C brackets. It does not cover gauges.

Part details are from the BRP product listings. Truck fit notes are in the 1988-1998 2WD GM truck LS install guide.

1988-1998 2WD GM truck LS gauge FAQ

Can an OBS C1500 with an LS keep a traditional tach?

Yes, with the Tach Adapter. It reads the distributorless LS ignition and drives a traditional tachometer, factory or aftermarket, or a shift light.

Does the truck tach adapter come with the BRP LS harness?

No. It is offered without that harness for custom applications.

What fitting do I need for an oil pressure gauge sensor on the LS in my 2WD truck?

Add the Oil Pressure Adapter Fitting. With it in place, the truck LS can run a traditional pressure gauge sensor.