Electronics International Cp-1 LED Intensity Control 12V / 24V

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Part# 10-02035
MFR Model# CP-1


Note: CP-1 can be used with all EI gauges except the MVP and CGR units. For those units, the CP-1A (Part # 10-06280) must be used.

Controls the intensity of the green LED''s on the UBG-16, R-1, M-1, OPT-1, FL-2, FP-5(L), and other EI instruments. This unit can be connected to any one or all of these instruments at the same time. It provides linear control of the intensity of the green LED''s for low ambient light or night operation. Mounts in a 1/4" hole. Operates on a 12 or 24 volt system.

E.I. products include all documentation and certifications

California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -

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Great product

Lloyd M
October 12, 2020

Great product as usual from EI

Lloyd M
October 11, 2020

Simple and straight forward install dimmer for EI instruments. I does work on other items and dims those lights as well. I intend on connecting lighting from Nulite rings to see if this will work as well. Overall good dimmer easy install.

Orelious W
October 20, 2019

Does what it is suppose to. Fast easy order

Karl B
January 26, 2019


Please note,'s personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Is this a pulse width modulator?

Per the manufacturer, this was made for Electronics International applications only. Will not work for other applications.