Installed digital volt/amp gauge in PA 28-181. Great unit easy to install. Much better than original.
A-102 Adapter Plate
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Product Overview
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Retail Prices
Included:
- A-102 Adapter Plate
- 4 black screws (6×32 x .4″)
Description
Package
Retail Price
A-102 Adapter Plate
A-102
$28
Lead Time: Usually ships within 2–3 business days.

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Testimonials
Customer Testimonials
Great service. [I replaced/upgraded] unit in aircraft.
- Customer
Adam M. from NSW, Australia
- Aircraft
Piper PA-28-181 Cherokee
- EI Instrument
Easy installation.
EI’s team is great; you guys are the best.
- Customer
Brian N. from Arizona
- Aircraft
Piper PA28RT 201T
- EI Instrument
The older EI ultimate engine analyzer that came with my plane that I bought 7 years ago has always worked flawlessly.
Some of the best customer service in the avionics network that I’ve had the pleasure of dealing with. [I chose EI because of the] features, simplicity, and the user-friendly platform.
The CGR-30P is a fantastic product and EI has excellent customer service. EI is the leader in engine monitors with a strong track record.
- Customer
William G. from New York
- Aircraft
Cessna 182Q Skylane
- EI Instrument
Great tech support. Someone always answers and gives accurate concise information.
- Customer
Thomas M. From Georgia
- Aircraft
Mooney M20C Ranger
- EI Instrument
Tach fits my panel nicely, was easy to install.
[I chose EI because of its] reputation [and the] quality and appearance of the instrument.
- Customer
Denis F. from Alberta Canada
- Aircraft
Piper PA-28R-201T Turbo Arrow III
- EI Instrument
Works Great! Getting used to menu the more I fly — Nice addition to airplane.
Always very friendly and knowledgeable staff. Over time, I have purchased six different EI instruments for the two planes I own. The instruments are easy to install, very accurate, and dependable. EI has very stable and easy-to-operate instruments.