Have all of the information needed to install your Black 3in1 Diesel Combo Series 35 PSI Boost w/ Digital EGT & Temperature Gauge? Our handy Install Guide walks you through the entire setup step-by-step.

3in1 Black Analog 35 PSI Boost w/ Digital EGT & Temp Gauge Installation Instructions

Have all of the information needed to install your 3in1 Diesel Combo Series 60 PSI Boost w/ Digital EGT & Pressure Gauge? Our handy Install Guide walks you through the entire setup step-by-step.

3in1 Analog 60 PSI Boost w/ Digital EGT & Pressure Gauge Installation Instructions

Have all of the information needed to install your 3in1 Diesel Combo Series Analog Boost/Vacuum w/ Digital Pressure & Temperature Gauge? Our handy Install Guide walks you through the entire setup step-by-step.

<img src="https://attachments.gorgias.help/lrg3N7Ay8Rn7DnR8/hc/0e8PW74z4w6DnpGB/2025081822-e71dba63-5aad-4770-accb-74a1f77d3c75-c6215fa4-73cd-4347-bb8d-11af1bb5a6b9.jpeg" style="width: 300px;" class="fr-fic fr-dib">Have all of the information needed to install your 3in1 Diesel Combo Series Analog Boost/Vacuum w/ Digital Pressure &amp; Temperature Gauge? Our handy Install Guide walks you through the entire setup step-by-step. To make the process even easier we have <a href="https://www.glowshiftdirect.com/diesel-tachometer-signal-adapter/" target="_blank" rel="noopener noreferrer"></a> <a href="https://www.glowshiftdirect.com/gauge-accessories/" target="_blank" rel="noopener noreferrer" style=" text-decoration: none;">Gauge Accessories</a> <a href="https://www.glowshiftdirect.com/boost-gauge-adapters/" target="_blank" rel="noopener noreferrer"></a>to choose from. As a reminder, Free Lifetime Tech Support comes standard with purchases so we&apos;re here to help if you have any questions along the way. Our friendly and knowledgeable Customer Support and Tech Support Teams are available by phone, email or chat and ready to assist!Gauge Series: 3in1 Diesel Combo Product SKU: GS-3G-21, GS-3G-22(Click the link below to view our online Installation Instructions)<a class="pdf-download-btn" href="http://glowshift.com/instructions/3in1-Combo-Gauges/3in1-Boost-Vac-Pressure-Temp-Combo-Gas-Gauge.pdf" rel="noopener noreferrer" target="_blank">3 in 1 Combo Series Boost/Vac w/ Digital Pressure &amp; Temperature Gauge</a>

3in1 Analog Boost/Vac w/ Digital Pressure & Temp Gauge Installation Instructions

Have all of the information needed to install your 3in1 Diesel Combo Series Analog 60 PSI Boost w/ Digital Pyrometer EGT & Temperature Gauge? Our handy Install Guide walks you through the entire setup step-by-step.

3in1 Analog 60 PSI Boost w/ Digital EGT & Temp Gauge Installation Instructions

Have all of the information needed to install your 3in1 Diesel Combo Series Black Analog Exhaust Gas Temperature Pyrometer w/ Digital Boost & Pressure Gauge? Our handy Install Guide walks you through the entire setup step-by-step.

3in1 Black Analog EGT w/ Digital Boost & Pressure Gauge Installation Instructions

Have all of the information needed to install your 3in1 Diesel Combo Series Analog Exhaust Gas Temperature Pyrometer w/ Digital Boost & Temperature Gauge? Our handy Install Guide walks you through the entire setup step-by-step.

3in1 Analog EGT w/ Digital Boost & Temp Gauge Installation Instructions

GlowShift Gauges Support

3 in 1 Combo Gauge Series

Product Instructions

Do you need to remove the intake manifold when drilling and tapping?

What is the degree range for a transmission gauge?

My boost gauge did not come with fittings or a line

What is the Best Boost Gauge installation? Boost bolt vs Drilling intake

How should the ferrule fittings on the boost line be positioned?

What should I do if the color on my gauge keeps resetting after I turn my vehicle off?

My Pressure Gauge stays pegged out and all the wires are properly connected, what is the issue?

How difficult is the installation of the gauges?

What size drill and tap do I need to tap my Manifold?

What adapters do I need to install a Fuel Pressure Gauge in my Chevy Duramax?

What adapters do I need to install a Fuel Pressure Gauge in my Ford Super Duty Powerstroke?

What adapters do I need to install a Fuel Pressure Gauge in my Dodge Ram Cummins Diesel?

Should I use Teflon tape on the threads of the sending units I am installing?

How tight should the ferrule cap be on the boost line fitting?

What will happen if there was damage done during the installation or removal?

What are some suggestions to avoid pinching or kinking the boost hose?

How many Elite 10 Gauges can I have daisy chained together?

My gauge has a Boost Sensor, not a hose. Is the installation still the same?

Why is a small light flashing on my Elite 10 Gauge when my engine is running?

What is the proper way to tap?

I need to extend the wires on my sending unit, what size wire should I use?

What if I cannot find an open firewall?

How much should I tighten the EGT probe fitting?

How do I install my Boost Gauge on my diesel truck?

Is there a particular type of anti seize I should use?

Where can I install my Fuel Pressure Sending Unit?

How deep should my EGT probe be into the manifold?

Where would I install my Transmission Temperature Sensor?

Should my EGT probe be installed before or after the turbo?

Can I reinstall the factory Intake Air Heater Plug at any time?

How accurate will the reading be at my test port location?

How do I install the EGT probe that came with my Exhaust Gas Temperature Gauge?

Should I use Teflon Tape when installing the Banjo Bolt and Snubber Valve?

Is there another fuse I can utilize other than the fuse places mentioned in the instructions?

What is the recommended install location for the EGT probe?

What color is the signal wire on the transmission temperature gauge?

Does the Steel Braided Cable have to be away from direct heat?

Should I use thread sealant, or teflon tape to install the fuel pressure sensor?

Do I have to jack up my vehicle to access the test port location?

Will the sensor wires reach my mounting location?

What is the difference between the 30,000PSI Fuel Rail Pressure and the 30/100PSI Fuel Pressure?

What are the Green, Blue, Brown wires for in my 2/3/4 Gauge Power and sensor wiring kit?

Do I have to use the expandable circuits?

Where is the best place to connect the ground wire?

Can I attach the dimmer wire to the adjustable light dimming settings used for the lighting in the cabin of the vehicle/dash?

I have finished the install, and checked for loose connections and leaks - but the gauges are still not powering on. What should I do?

Where are the best locations to install the screws to secure the pod?

What if the pod is not sitting correctly?

I did not purchase the HPOP Gauge Pigtail Harness, can I still install this gauge on my 7.3L/6.0L Ford Powerstroke?

Installation and Troubleshooting FAQs

Do you offer a catalog?

Do you ship internationally?

I accidentally ordered the wrong product, what should I do?

Does GlowShift offer sponsorships?

Do you offer wholesale accounts?

I've received my tracking information but when I try to track my order, no information is available. What is the problem?

What payment options can I use when checking out?

How much will shipping cost?

Can I pick up my order from your location?

When will my order ship?

How long will it take my order to arrive?

How can I apply a discount to my order?

Why did I have to pay customs and brokerage fees upon delivery?

Will I be charged Sales Tax on my order?

What is the warranty policy on your products?

How long will it take to receive my refund?

How do I return my order and get a refund?

When will my order ship if I place it on a Friday?

What customs fees will I be responsible for with Standard Shipping?

What is your shipping policy for International orders?

What happens if my package is returned due to being undeliverable as addressed?

Am I responsible for shipping when I need to set up a warranty claim?

How can I receive coupon codes?

What if I place a duplicate order?

What is the exchange policy?

ONE YEAR NON-TRANSFERABLE LIMITED WARRANTY AND DISCLAIMER

Can I make changes after I have placed my order?

How can I cancel my order?

What do I do if I receive the wrong product?

What if I refuse my delivery?

What is the return policy on your products?

Do all orders over $50 qualify for Free Shipping?

How do I know if my order is coming FedEx or USPS?

Will my order require a signature upon delivery?

Can I ship to an address that is different than my billing address?

Customer Service

What is the difference between the 7 Color Series and the Elite 10 Color Series?

Do the gauges come with everything I will need for installation?

My button is stuck and I can't change the color of my gauge

What is the difference between HPOP and regular Oil Pressure Gauge?

I have a returnless fuel system, can I install a fuel pressure gauge?

Does the Air/Fuel Ratio Gauge come with an o2 sensor?

How do I choose what color gauge I want in the 7 Color Series or Elite 10 Color Series?

Can I turn off the LED backlighting of my gauge and still have it function properly?

What is the difference between GlowShift's Black 7 Color and Tinted 7 Color Gauges?

Why are my gauges only lighting up with a dim red color?

Does the Air Suspension Gauge come with a pressure sensor?

What is the warranty on the Bosch O2 Sensor?

Do I need a Signal Filter, or a High Energy Ignition Signal Filter?

Will the tachometer work with my diesel vehicle?

Does the speedometer have an odometer?

Is the boost gauge mechanical, or does it have a sensor?

Do I need a Boost/Vacuum Gauge, or Boost Only?

Gauges

What is a snubber valve and why do I need it?

What size Expandable Circuit will I need for my vehicle?

What is the Boost T-Fitting Adapter and will it fit my vehicle?

What is a Drill and Tap Kit?

Do I need a Honda Fuel Pressure Banjo Bolt Adapter?

Will I need a Chevy LS Engine Fuel Rail Adapter?

Do I need a Chevy GM Duramax 6.6L Diesel Fuel Pressure Adapter?

Do I need a Fuel Pressure Adapter for my Ford 7.3L/6.0L Power Stroke?

Is the Air Intake Heater Boost Plug Adapter required for installation?

Does the Transmission Test Port Extender fit my vehicle?

Is the 1/16-27 NPT Universal Transmission Test Port Extender for my vehicle?

What is a GM-Duramax-Allison-1000-Transmission-Line-T-Fitting-Adapter?

What is a Dodge Ram Cummins Transmission Line T-Fitting Adapter?

What is a 3/8" Transmission Line T-Fitting Adapter?

Is the Fuel Pressure Big Line Kit required for installation?

What is the Fuel Line Fuel Pressure T-Fitting Adapter used for?

Why do I need a 1/8 NPT Diesel Snubber Valve for Fuel Pressure?

Why do I need a Cummins 12 Valve Fuel Pressure Banjo Bolt Adapter?

Why do I need a Cummins 24 Valve Fuel Pressure Banjo Bolt Adapter?

Do I need a Boost Bolt Thread Adapter for my Boost Gauge installation?

What is a Water Temperature Sender Attachment?

What is an Oil Cooler Sandwich Adapter?

What is an Oil Filter Sandwich Adapter?

Accessories

What does Complete Replacement Mean?

Can the Gauges Pods be painted?

What material are the Gauge Pods made out of?

Does the Triple Pillar pod replace my existing pillar?

Will a universal pillar pod fit my vehicle?

Do you have a RHD pod for my vehicle?

Gauge Pods

FAQs

7 Color Series 2" Diesel Tach Installation Instructions

7 Color Series 3-3/4" On-Dash Diesel Tach Installation Instructions

7 Color Series 45 PSI Boost/Vac Gauge Installation Instructions

7 Color Series Analog E85 Wideband Gauge Installation Instructions

7 Color Series 15 PSI Boost/Vac Gauge Installation Instructions

7 Color Series BAR Boost/Vac Gauge Installation Instructions

7 Color Series 30 PSI Boost/Vac Gauge Installation Instructions

7 Color Series 20 PSI Boost Gauge Installation Instructions

7 Color Series 35 PSI Boost Gauge Installation Instructions

7 Color Series 60 PSI Boost Gauge Installation Instructions

7 Color Series 100 PSI Boost Gauge Installation Instructions

7 Color Series Narrowband Gauge Installation Instructions

7 Color Series Needle Wideband Gauge Installation Instructions

7 Color Series Digital Wideband Gauge Installation Instructions

7 Color Series Dual Digital Wideband Gauge Installation Instructions

7 Color Series Vacuum Gauge Installation Instructions

7 Color Series Oil Pressure Gauge Installation Instructions

7 Color Series BAR Oil Pressure Gauge Installation Instructions

7 Color Series Volt Gauge Installation Instructions

7 Color Series Water Temp Gauge Installation Instructions

7 Color Series Celsius Water Temp Gauge Installation Instructions

7 Color Series Oil Temp Gauge Installation Instructions

7 Color Series Celsius Oil Temp Gauge Installation Instructions

7 Color Series 1500° F EGT Pyrometer Installation Instructions

7 Color Series 2400° F EGT Pyrometer Installation Instructions

7 Color Series 1300° Celsius EGT Gauge Installation Instructions

7 Color Series 3 3/4" Tachometer w/ Shift Light Installation Instructions

7 Color Series 2" Tachometer Installation Instructions

7 Color Series 30 PSI Fuel Pressure Gauge Installation Instructions

7 Color Series 100 PSI Fuel Pressure Gauge Installation Instructions

7 Color Series Trans Temp Gauge Installation Instructions

7 Color Series 200 PSI Air Pressure Gauge Installation Instructions

7 Color Series Dual Digital Air Pressure Gauge Installation Instructions

7 Color Series Dual Needle Air Pressure Gauge Installation Instructions

7 Color Series Nitrous Pressure Gauge Installation Instructions

7 Color Series Fuel Level Gauge Installation Instructions

7 Color Series 3 3/4" In-Dash Tachometer Installation Instructions

7 Color Series 3 3/4" In-Dash Speedometer Installation Instructions

7 Color Series 3 3/4" In-Dash Kilometer Speedometer Installation Instructions

7 Color Series Clock Gauge Installation Instructions

7 Color Series 30,000 PSI Fuel Rail Pressure Gauge Installation Instructions

7 Color Series Dual Intake Temp Gauge Installation Instructions

7 Color Series HPOP Gauge Installation Instructions

7 Color Series Diff Temp Gauge Installation Instructions

7 Color Gauge Series