Need help diagnosing an issue with my Toyota 3B diesel — appreciate any input! (2 Viewers)

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💯 agree with above and just replace the primer pump and all rubber fuel lines including the small return line from injectors to injection pump( I chased this leak on mine). Keep at it! It’s a sweet 70!
 
@fjc-man @Felde @CRZR45 @Squash @OGBeno @bj70bc @Behemoth60



Interim result:
Since the original glow plug system is disabled in my setup, I didn’t investigate exactly how it was bypassed. Instead, I decided to check whether the installed "Wilson switch" is working and delivering power to the glow plug rail.
The result — yes, it is supplying power, and you can see that in the video.
Tomorrow will order the new glow plugs, week wait for delivery, and will see how she will work on new ones.

Video 5


Video 6
 
What does your battery voltage say when just sitting and when cranking? It sounded a little slow cranking in previous videos. Strong battery and good glow plugs should make a big difference in starting as well as the fuel primer and hoses replacement. 11.7 is what I see in video. It should be minimum 12v (could be wiring to Wilson switch but want to make sure you have a strong battery)
 
What does your battery voltage say when just sitting and when cranking? It sounded a little slow cranking in previous videos. Strong battery and good glow plugs should make a big difference in starting as well as the fuel primer and hoses replacement. 11.7 is what I see in video. It should be minimum 12v (could be wiring to Wilson switch but want to make sure you have a strong battery)
The battery shows 12.5V with the ignition on
 

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