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Re: r20 r21 charred resistors lpv14 help

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Re: r20 r21 charred resistors lpv14 help

Posted by shane naylor at November 16. 2011

i have what looks like overloaded resisters r20 r22 top right hand next to 2 round blue things can anyone help with therereplacement  part cheers shane

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Re: r20 r21 charred resistors lpv14 help

Posted by Scott at November 18. 2011

Hi Shane,

The resistors are both 2.2 Ohm, 1 watt. Normally when these resistors get damaged it is because the 12v or 5v power has been shorted, so it may be worth checking your wiring also.

Regards,

Scott.

Re: r20 r21 charred resistors lpv14 help

Posted by shane naylor at November 24. 2011

hi scott

i gabbed 2 2.2 ohm 1 watt resistors but there size is at least 3 or 4 times bigger tnan whats on the board

they are def 1 watt?

cheers shane

Re: r20 r21 charred resistors lpv14 help

Posted by Scott at November 25. 2011

Hi Shane,

Definitely 1 watt resistors. One watt resistors can come in a variety of physical sizes, so you can either try and make the ones you have work or try and find some smaller ones.

Regards,

Scott.

Re: r20 r21 charred resistors lpv14 help

Posted by shane naylor at December 14. 2011

Previously Scott wrote:

Hi Shane,

Definitely 1 watt resistors. One watt resistors can come in a variety of physical sizes, so you can either try and make the ones you have work or try and find some smaller ones.

Regards,

Scott.


hi scott

do these resitors have anything to do with injectors as i cant seem to detect pulse signal to injectors every thing else works fine when i fire up the computer serial link talks to pc fuel pumps egages then turns off  i havnt changed the resistors yet i just thought i would see if it fired up?

Re: r20 r21 charred resistors lpv14 help

Posted by Scott at December 19. 2011

Hi Shane,

Sorry for the delay in getting back to you. I have spoken with one of my colleagues and apparently those resistors have nothing directly to do with the injection drives. Because you can talk to the ECU the micro-processor and power supply to that must be ok. Try replacing the resistors and let us know if that sorts out the fuel injection drives for you.

If you can-not sort the problems, we are more than happy to look at it if you send it in for servicing.

Regards,

Scott.

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