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Rb20det Silvia, Any One No How To Get Temp Guage Working On Dash?

aussy-boyz

By aussy-boyz,
in Engines & Forced Induction

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JonnoHR31 Grand Master

JonnoHR31

Posted
Posted

sender should plug (or rather slide) into the 20 loom. then at the ecu end you need to find the temp gauge wire on the ecu side of the 20 body loom plug then wire it up to the temp gauge wire on your standard silvia body loom

aussy-boyz Community Regular

aussy-boyz

Posted
  • Author
Posted
sender should plug (or rather slide) into the 20 loom. then at the ecu end you need to find the temp gauge wire on the ecu side of the 20 body loom plug then wire it up to the temp gauge wire on your standard silvia body loom

ah yeah sound easy will just find the r32 wiring diagram

Simon-S14 Grand Master

Simon-S14

Posted
Posted

large 18 pin plug i think, Black with blue wire. thats the temp sender, and as mentioned needs to match the original engine that was in car so either ca or sr. wire it up to the white plug on the s13 body loo0m, also black/blue.

aussy-boyz Community Regular

aussy-boyz

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its not workin. bit confused there is a 2 wire plug at rear of motor with blue with black stripe so tried that after changing temp sensor, wired from that wire into s13 cabin blue with black stripe not workin. found another blue with black srtipe wire on the rb20det cabin wiring wired that to s13 blue with black stripe still no good, any ideas???

cheers

grigor Rising Star

grigor

Posted
Posted

Presume you've used the Rb20 engine harness so you'll have some plugs at the ecu which would normally connect to the R32 dash harness.

Find this plug (attached) and connect to the S13 dash temp. gauge wire, after you've swapped the Rb temp sensor.

I suggest you use John's excellent instructions, we've all been there.

post-13483-1266051719_thumb.jpg

STATUS Grand Master

STATUS

Posted
Posted
can u use a wire of the ecu????????

No as there are two water temp sensors, one for the ecu (wont give correct output for dash) and the second sensor is purely for the dash. You sound out of your depth take it somewhere.

aussy-boyz Community Regular

aussy-boyz

Posted
  • Author
Posted
No as there are two water temp sensors, one for the ecu (wont give correct output for dash) and the second sensor is purely for the dash. You sound out of your depth take it somewhere.

lol nah man im a mechaic. What iv done it should work but its not maybe the guage is stuffed

Wheezy Mentor

Wheezy

Posted
Posted
lol nah man im a mechaic. What iv done it should work but its not maybe the guage is stuffed

Did the gauge work before the conversion? and how does being a mechanic automatically make you an auto elec? :)

aussy-boyz Community Regular

aussy-boyz

Posted
  • Author
Posted

dunno man bought the silvia with a blown sr never really drove it. then chucked the rb in. yeah i agree man im not a wizz on skylines and there motors i dont no what every wire on the motor does. iv dont the whole conversion my self and everything works except gauge

Wheezy Mentor

Wheezy

Posted
Posted

Can you get the gauge to move, using a multi metre? That is what I did when putting R32 engines into R31's :down:

That will tell you if it works at all. Perhaps you need a resister? Sometimes Tacho's need that done to get them working when changing engines.

Simon-S14 Grand Master

Simon-S14

Posted
Posted

lol mechanic hey...

anyway test the gauge by earthing the blue black wire out on the chassis loom near the ecu. if the gauge moves all the way to H and beyond then it works and its the right wire.

THEN use a multimeter and test the continuity between the plug on the single pin temp sender, and on of the blue/black wires in plugs opn the engine loom near the ECU plug. once you find the correct wire (the one with continuity) then solder it to the dash wire and it should work. if it still doesnt work then your temp sender is the wrong one or faulty

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