EFI Relay Bypass Kit (Immobilizer Fix) for UZJ100/LX470 (6 Viewers)

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The trouble shooting instructions are excellent and my LC did crank up and run:clap::clap::clap:!!!

Looking forward to getting the kit! Thank you very much! Brilliant!!!:banana::banana:
 
PM sent!




medtro said:
This bypass kit bypasses the bad EFI relay circuit in the fuse box so that the immobilizer system gets adequate power supply for starting the car. I made this for myself after my new 30A replacement fuse - initial fix for crank but not start problem, failed to start after 4 days. Some members have showed interest in the kit and asked me to sell this kit.

This bypass kit is for you if:
  • You are told a new fuse box 82720-60023 will fix your intermittent starting problem but you don't want to spend $460 just for the part alone
  • You have intermittent starting problem and you replaced the 20A EFI fuse with 30A fuse or paper clip
  • You have intermittent starting problem and you have been tapping or removing/replacing relays and fuses in the fuse box
  • You want to have this kit in your glove compartment in case you run into this crank and non starting problem
This kit is 100% plug and play, no need to splice any wires.

Kit comes with relay, two fuses (one for spare) and installation instructions. $84 shipped to 48 states. Please send PM for payment info or shipping cost outside 48 states.

View attachment 1839355
Click to expand...
 
Ordered the kit on Thursday and it arrived on Monday with “idiot proof” instructions. Snapped it in and back on the road. Couldn’t be happier. Thank you!!
 
Question. So my vehicle start up after I jump the relay. Is it safe to drive on it till I get the jumper kit?
Payment sent today.
 
Last edited:
Got the bypass! Thanks! Works perfectly!

My advice is to buy this part before you need it. Great spare part to keep. When I couldn't start my rig at the trails, I was lucky enough to have some spare wires to jump the EFI and was not left stranded.
 
I would like to get one of these from you medtro, how do I proceed with that? I sent a message to you with my email. Thanks, Mark
 
PM'd
 
Troubleshooting instructions for newer UZJ100/LX470

Connect a wire from battery 12V post to the F terminal (see picture below), then try to start the engine. This kit will not help if the engine doesn't start with the above wire connection (assuming the battery is fully charged and good connection from battery to F terminal). This is the kit you need if the engine starts.

1957298
 
HELLO medtro,, I AM TEMPORARY RUNNING THE CABLE FROM BATTERY WITH TOGGLE SWITCH SO BATTERY DOESNT DRAIN AND CAR STARTS WITH NO PROBLEM..I ORDERED AND RECEIVED YOUR RELAY KIT AND INSTALLED IT CORRECTLY AND CAR WONT START... WENT BACK TO THE DIRECT CABLE CONNECTION AND CAR STARTS,, YOU THINK THE RELAY ON YOUR KIT IS DEFECTIVE?? ANY TROUBLESHOOTING TIPS???..I WELCOME YOUR REPLY
 
PANERAI18 said:
HELLO medtro,, I AM TEMPORARY RUNNING THE CABLE FROM BATTERY WITH TOGGLE SWITCH SO BATTERY DOESNT DRAIN AND CAR STARTS WITH NO PROBLEM..I ORDERED AND RECEIVED YOUR RELAY KIT AND INSTALLED IT CORRECTLY AND CAR WONT START... WENT BACK TO THE DIRECT CABLE CONNECTION AND CAR STARTS,, YOU THINK THE RELAY ON YOUR KIT IS DEFECTIVE?? ANY TROUBLESHOOTING TIPS???..I WELCOME YOUR REPLY
Click to expand...

The kit was bench tested numeral times. It is possible that the relay was damaged during shipping. It is also possible that you may have connection issues. I will send you some instructions to trouble shoot this.
 
PANERAI18 said:
HELLO medtro,, I AM TEMPORARY RUNNING THE CABLE FROM BATTERY WITH TOGGLE SWITCH SO BATTERY DOESNT DRAIN AND CAR STARTS WITH NO PROBLEM..I ORDERED AND RECEIVED YOUR RELAY KIT AND INSTALLED IT CORRECTLY AND CAR WONT START... WENT BACK TO THE DIRECT CABLE CONNECTION AND CAR STARTS,, YOU THINK THE RELAY ON YOUR KIT IS DEFECTIVE?? ANY TROUBLESHOOTING TIPS???..I WELCOME YOUR REPLY
Click to expand...

Please check your PM. I sent you info yesterday and I noticed it is not read yet.
 
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