Reply With Quotefarnel have without quantity https://uk.farnell.com/texas-instrum...951/dp/9493425Originally Posted by papalos_
but I think it is same /NOPB.
Which resistor do you mean?
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Thread: Chineese Galletto V54
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19th February, 2019, 10:32 PM #1366DK Veteran
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Hello!
After reading all the pages on this topic, I created a shopping list(Mouser) to rework my galletto and I need your help.
1. What is the package and the type of the missing 4.7K resistor?
2. On mouser the minimum quantity for LP2951ACM is 665... What is the difference between LP2951ACM and LP2951ACM/NOPB?
Best Regards
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20th February, 2019, 12:17 PM #1367Top Poster
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24th March, 2019, 08:43 PM #1368Top Poster
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China clone v54 I check the ohm of grey boot wire and the switch of db15 connector...
Results
0 Ohm and without switch cut...
How bad is if the grey boot wire has 0 ohm resistance?
The switch of connector db15, which wiring should stop?
Unfortunately killed an ecu...only on tricore reading..Last edited by gas43; 24th March, 2019 at 08:50 PM.
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24th March, 2019, 10:44 PM #1369DK Veteran
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Grey wire should have 1kohm in relation with gnd.
Switch in db15 cable should cut positive of +12v to the ecu side.
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24th March, 2019, 10:57 PM #1370DK Veteran
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Check cable is wired correctly inside 15way plug Originally Posted by gas43
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25th March, 2019, 08:09 PM #1371Top Poster
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Originally Posted by morgano
Guys, bad news, Originally Posted by teerak2uk
I open the 15way plug and the resistor was in wrong position....it was between orange wire(CAN-L) and blue wire...by the way I tested the resistor with mulimeter and was 4Kohm...
the switch does not cut red wire +12volt, only cut the white external 12volt adapter....
OMG
Anyone who buys china v54 please test the 15way cable...
Now the ecu is stuck in boot mode and car dont start, no communication via obd.
In boot mode continues read and write...but car dont start...
Is there a solution? or ecu is dead?Last edited by gas43; 25th March, 2019 at 08:20 PM.
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25th March, 2019, 08:15 PM #1372DK Veteran
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120 ohm is the value of the resistor thst bridges blue and orange wires. Can bus termination resistor.
The switch may let always feed the fgtech while connected to externall supply on the breakout cable, not the dcjack on the fgtech itself, and just cut the 12 volt to the ecu going red wires.
The 4k tesistor is wrong value.
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25th March, 2019, 08:18 PM #1373DK Veteran
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This should help also Kline is green not ignition
Last edited by teerak2uk; 25th March, 2019 at 08:20 PM.
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The Following User Says Thank You to teerak2uk For This Useful Post:
turbo16v (26th February, 2020)
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25th March, 2019, 08:53 PM #1374Top Poster
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Understand,
120 Ohm between orange and blue wire
1000 Ohm gray boot wire
switch must cut +12volt red wire
everything wrong in china v54...
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25th March, 2019, 09:22 PM #1375Top Poster
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Which wire is ignition? Originally Posted by teerak2uk
Last edited by gas43; 25th March, 2019 at 09:25 PM.
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25th March, 2019, 09:39 PM #1376DK Veteran
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Ignition wire is same as kline (green) but is only used as ignition while doing tricore bootmode.
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25th March, 2019, 09:45 PM #1377Top Poster
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Ok Originally Posted by morgano
that I thought
thanks!
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25th March, 2019, 10:09 PM #1378Top Poster
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I am looking for these resistors,
what Tolerance need? 0.1%, 1%, 5%?
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26th March, 2019, 10:44 AM #1379Top Poster
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4th April, 2019, 05:56 PM #1380Newbie
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8999ok Originally Posted by mislav88
oopl0oi9oool
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