AutoMeter · New
Autometer LS Plug & Play Harness With Tach Adapter
MPN 9123 · Store SKU atm9123
Supplier stock checked 11/7/2026, 9:32:22 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
If you’ve tried to get your tach to function after an LS swap, you know that it isn’t always a simple procedure. Save time, frustration and don't make a single cut in your factory wiring with AutoMeter’s Plug and Play LS Tach Harness. This Plug and Play solution lets you quickly and easily install the AutoMeter 9117 Tach Adapter onto your LS-derived engine. OEM spec connectors and wiring assure a hassle free installation that takes minutes rather than hours. No splicing, cutting or risks of voiding your vehicle's warranty. It’s completely reversible and couldn’t be easier. Get the best possible results in the least amount of time with the solution guaranteed to work right, the first time. RPM SIGNAL ADAPTER FOR LS ENGINES, INCL. PLUG & PLAY HARNESS
Manufacturer fitment & guides
Check 9123 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y
