Holley EFI 553-106 Electronic Digital Dash - 7.5 inch W x 4.625 inch T

Okay, maybe not for everyone, but for gearheads with some electronic background, pretty easy to install. However for my application, marine engines in wooden boats, you better rewire or build your own harness. So from a wiring perspective you have to realize that you need the right wires and digital and analog is not the same....Now, from the display itself, you read the manual thoroughly and become familiar with their language. I did that "on the coffee table", no rush just coffee :-). I have this display connected to a Holley Sniper EFI via a CAN connection, so I got some data to play with. If you're a first time user you take all the standard settings, which I always do, and alter one setting a time to see what happens. Now your technical journey starts! Happy Holley time!

A bit disappointed it arrived in it's packaging and not in a box since this item was a Christmas gift but it's not hooked up and power up and functions beautifully. This cluster has so many helpful things that we're finding to be especially helpful when actually paired with a Holley efi ECU. Highly recommend! Can't wait to test it on track once the season begins.

Would buy again , fits nicely on my Jeeps dash.

I purchased this 7" Digital dash about three months ago, I paid the extra money for the I/O ports and the GPS. I mainly wanted to hook up three thing with the I/O ports, one was the Oil Pressure, 2nd was the Fuel Level and the third was the Turn signals. I got the GPS to track speed and miles. Here's the issue - I paid ($150) for the over priced oil sender and hooked it up to the Dash with the I/O ports, every time I try and run the truck it reads -11psi. I Called Holley EIGHT times about this issue alone and was told eight different things, none of which worked. They eventfully wanted it all back so they could do testing, seven weeks later I finally get it all back only to see it still ready -11psi. I finally gave up and purchased a stand alone 2" oil pressure gauge and ran the wires to the same Holley oil pressure switch - and the stand alone unit works perfect - shows 40psi at idle. 2nd issue is the Fuel Gauge - The truck is a 2001 Chevy S10 and the fuel sender is 40-250ohms. The digit dash was preset for this reading but every time I fill up it only for around 50 to 60% on the dash. I went in and adjusted the setting over and over again. I tried to make it 0-90 and it just read HI-Ad instead of an actual reading. I tried to set it to 40-200ohms and it still reading incorrectly. So I went out and purchased another stand alone fuel gauge and again it works Perfectly. 3rd issue is the GPS Odometer - Because what I built was over 10K for the engine and transmission I wanted to know how many miles I put on the engine and how fast the truck can go. Well only the Speedometer works and the Odometer does not. I googled to see if this is a common issue and it is. No one can figure out how to get the Odometer to actually work properly. 4th issue I have is the wait time on hold when calling into Holley. I average an hour on hold per call in just to speak with a tech advisor that does not help me in the slightest. They could not fix the Oil reading issue, the Fuel issue or the Odometer issue. So why in the h*ll did I WASTE $800 on a dash that nothing works correctly on? I should have just purchased three or four stand alone gauges and spent half the cost!

great product for a great price

Just what I needed. Makes a huge difference from the 3.5" handheld.

Awesome. Worth the money for sure. Great gauges and logging system. No complaints. WAY better than a cheap tablet

paired with a terminator x max in my c10