NASA MARS ROVER
PERSEVERANCE #42158 LIGHT KIT
INSTALLATION GUIDE
Contents
LEGO 42158 Nasa Mars Rover Perseverance Light Kit
Light My Bricks
LEGO ® NASA MARS ROVER PERSEVERANCE 42158 INSTALLATION GUIDE
Hi There!
We’re here to help you get started on the LEGO® NASA Mars Rover Perseverance 42158 Light Kit.
This PDF details the instructions for the LED light kit only.
If you run into any issues, please refer to the troubleshooting section towards the end of this guide.
Have fun and enjoy!
PACKAGE CONTENTS:
Individual Bags
- 4 x C ool White 30cm Bit Light
- 6 x Cool White 15cm Bit Light
- 1 x Flashing Red 30cm Bit Light
- 1 x Light Blue 30cm Bit Light
Connecting Cables
3 x 15cm Connecting Cable
1 x 30cm Connecting Cable
USB Power Cable
1x USB Power Cable
(Power Source not Included)
Mixed Components
3 x 2-Port Expansion Board
1 x 6-Port Expansion Board
1 x 12-Port Expansion Board
4 x Adhesive Square
1 x Plate, Round 1×1 with Open Stud – Black
8 x Plate, Round 1×1 – Trans-Clear
1 x Technic, Pin 1/2 without Friction Ridges – Light Bluish Gray
Before You Begin
Laying cables in between and underneath bricks
Cables can fit in between and underneath LEGO ® bricks, plates, and tiles providing they are laid correctly between the LEGO ® studs. Do NOT forcefully join LEGO ® together around cables; instead ensure they are laying comfortably in between each stud.
CAUTION: Forcing LEGO ® to connect over a cable can result in damaging the cable and light.
Connecting Cable Connectors To Expansion Boards
Take extra care when inserting connectors to ports of Expansion Boards. Connectors can be inserted only one way. With the expansion board facing up, look for the soldered “=” symbol on the left side of the port. The connector side with the wires exposed should be facing toward the soldered “=” symbol as you insert into the port. If a plug won’t fit easily into a port connector, do not force it.
Incorrectly inserting the connector can result in bent pins inside the port or possible overheating of the expansion board when connected.
Before You Begin
Connecting Cable
Connectors To Strip Lights
Take extra care when inserting connectors to ports on the Strip Lights. Connectors can be inserted only one way. With the Strip Light facing up, ensure the side of the connector with the wires exposed is facing down. If a plug won’t fit easily into a port connector, don’t force it. Doing so will damage the plug and the connector.
Connecting Micro Cable
Connectors To Micro
Expansion Board Ports
Take extra care when inserting the micro connectors to micro ports of Micro Expansion Boards. Connecting Micro Bit Lights to Micro Expansion Boards is similar to connecting lights and cables to Strip Lights. With the expansion board facing up, ensure the side of the connector with the wires exposed is facing down. If a plug won’t fit easily into a port connector, do not force it. Use your fingernail to push the plastic part of the connector to the micro port.
Installing Bit Lights Under Lego® Bricks And Plates
When installing Bit Lights under LEGO® pieces, ensure they are placed the correct way up (Yellow LED component exposed).
You can either place them directly on top of LEGO® studs or in between.
The Symbols Used In This Guide
When going through the following guide you will come across symbols and formats that will assist with the installation of your light kit. Take notice of them as each has a specific purpose.
Light Kit Component
This is the most important image format as it indicates which part to use from the Light Kit. Make sure you pay close attention to which part is shown.
White 30cm Bit Light
Connect
Used when you need to connect a LEGO piece or LMB component.
Disconnect
Used when you need to remove a LEGO piece/ section or LMB component.
Directional
Used to show where to route cables, place components, or move them.
Bend/Pivot
Used when a component needs to be bent, or part folded or pivoted.
Turn/ Flip
Will be found in the top left corner when the set needs to be rotated or flipped.
Twist/ Braid
Seen when a set of cables need to be grouped and twisted together.
Power On Test
Found at the end of a major step to test the lights. Will be located in the top left corner.
Note
Notes will be found alongside the instruction photos and explain what to do.
Repeat Step
Repeat the previous step eg.
Make a spotlight, then make a second spotlight.
Connect Focus
Used to highlight a hard to see area where a component is being connected.
Disconnect Focus
Used to highlight a hard to see area where a component s being disconnected.
General Focus
Used to highlight a hard to see area where a component needs to be acted on.
General Note
This is a sample note that is used anywhere in this guide. It will explain a difficult section where photos are hard to illustrate or easily confused.
Connect Note
The green coloured note is used when the topic focuses on a component being connected, like the shown Power Bank.
Disconnect Note
The red coloured note is used when the topic focuses on a component being disconnected or like here, the removed pieces.
NOTE
Take the 5cm Connecting Cable from the 4-Port Micro Expansion Board and route it into the “IN” port of the Flicker Effects Board
NOTE
Connect to a 5V USB Power Bank, 5V USB Wall Adaptor, or USB to AA Battery Pack (sold separately)
NOTE
You should have these parts left over that were removed from the LEGO set
BLUEPRINT
INSTRUCTION
To ensure a smooth installation of your light kit, please read and follow each step carefully. If you run into any issues, please refer to the online troubleshooting guide.
NOTE
Connect to a 5V USB Power Bank, 5V USB Wall Adaptor, or USB to AA Battery Pack (sold separately)
If you experience any issues with the lights not working and suspect an issue with a component, please try a different port on the expansion board to verify where the fault lies (with the light or expansion board). To correct any issues with expansion board ports, please view the section addressing expansion board issues in our troubleshooting section.
FINAL PRODUCT
This finally completes installation of the Light My Bricks LEGO® NASA Mars Rover Perseverance 42158 Light Kit.
TROUBLESHOOTING
Light My Bricks lighting kits contain individual components that are very small and can be easily damaged if not handled correctly.
To prevent unnecessary damage to components, we highly recommend that the User Guide section, “Important things to note” is read carefully. Follow the handling procedures in the User Guide to help prevent faults and damages to your Light My Bricks components.
If you are experiencing issues with your Light My Bricks set, watch our troubleshooting video or read on for a list of common causes to help you troubleshoot.
Firstly, ensure that the batteries have power using a battery charge gauge.
If the batteries have no power, replace the batteries.
If the batteries still have power, check to see if the batteries have been inserted correctly into the battery pack.
Check for AA batteries using the AA battery pack
Inside the battery pack are symbols indicating which direction the AA battery should be inserted. The flat side of the battery should be paired with the spring side of the battery pack.
If the batteries have been installed correctly and your kit still isn’t operating correctly, the next step is to check the wiring.
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Check Your Wires
In order for Light My Bricks components to fit in between and underneath LEGO® bricks, the components need to be very small. Due to this nature, Light My Bricks components can be easily damaged when not handled correctly.
Be careful when removing unpacked components out of the packaging and ensure not to forcibly pull at the wires as this can damage the soldering that attach the wires to the LEDs.
If the wiring is detached from the LED itself, the light will not operate.
When connecting lights to your LEGO® set, check that there are no pinched wires underneath or in between bricks and plates.
When the wires are pinched and the exposed wires are touching each other, this can cause a crosswire and the lights to not function correctly.
Check Your Expansion Board Ports/ Strip Light Ports /Effects Board Ports
It is important to note that connectors can only be inserted to the expansion board, strip light, or effects board ports in one direction. Forcibly inserting connectors in the incorrect direction will result in damaging the pins inside each of the ports on your component board.
Not only will a light connected to the damaged port not work, but if the pins inside the port are bent to a point they are touching each other, this can result in all other lights in the system to stop working. This is a short circuit. 
A short circuit can also result in overheating of the board, cable or batteries. If you suspect a short circuit, DISCONNECT POWER IMMEDIATELY Batteries can fail, catch fire, or even explode if left connected to a short circuit for too long.
If you suspect you have a faulty component due to a bent pin, try the following steps:
If you look carefully inside each of the ports, each port contains 2 small pins that should be straight. You will be able to identify a faulty port if it has any bent pins. 
CONTACT US
If you have an enquiry regarding the online shop, our products or a general enquiry please refer to our Frequently Asked Questions webpage.
Alternatively, you can contact our Customer Services team by visiting our online support portal.
support.lightmybrick.com
We thank you for purchasing this product and hope you enjoy!
© 2023 Light My Bricks Pty Ltd – Head Office: 4/26 Rushdale Street, Knoxfield VIC 3180, Australia. Phone: +61 420 643 543 | All Rights Reserved | Light My Bricks™ sell LED lighting kits only. All LEGO® sets featured in images are sold separately. Light My Bricks™ and the Light My Bricks logo, are trademarks and copyrights of Light My Bricks Pty Ltd. LEGO® is a trademark of the LEGO® Group of Companies which does not sponsor, authorise, or endorse this document.