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ECM Pictures 1990 Geo Tracker
#4
what's crazy about ECU bad?, they do it all the time (vast) the caps dry out car parked out doors hot day in Texas(say). and cab hits 200f. easy.
they have a 20 year life span spec so tells the maker of the caps and even A#1 top maker Nichicon.
the caps that blow first is the top rear left huge CAP, 47uf ,50v
why not tell what you have. there. this is the power in main 12vdc cap, filter.
it can be 40 to 100uf and 50 to 100vdc, rated, if it fits and does not hit the lid as the top of case is put back on.
it is not like tuning a radio with caps these are called brute force DC power filters.
they prevent say the huge power spike seen from the AC compressor clutch 100volt nasty EMF kick back pulse from wrecking the ECU.
too much uF is not a problem here. ESR rated is best.(low esr)
the words on the ECU pages are mine, I made those pages in 2006? long ago. and and too much time on my hands working 4-10s.

if you need specific information,say so
Suzuki made like 50 ECU for these cars one year alone, for 50 countries smog rules and for 5+ engine types. world wide.
my pages are USA only and some CANADA>
some ECU look totally alien to USA ECU, even seen with aluminum cases and lids, unlike our STEEL cases.
i get my caps here.
from MOUSER.com they sell them at wholesale rates, not EBAY at 10x more, scalpers rates.

the caps are RADIAL leads, and ESR rated low , 105C degree rated (hotter is better and 105 is boiling point +5)

lost ones I bought were here.
56uf/63vdc.

just one cap , one example even 73cents cost, not ebay rips

https://www.mouser.com/c/passive-compone...ystocked=y
http://www.fixkick.com
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Messages In This Thread
ECM Pictures 1990 Geo Tracker - by ECMRepair - 11-02-2023, 01:45 PM
RE: ECM Pictures 1990 Geo Tracker - by fixkick - 11-13-2023, 07:53 AM
RE: ECM Pictures 1990 Geo Tracker - by JCTracker - 11-16-2023, 12:36 PM
RE: ECM Pictures 1990 Geo Tracker - by fixkick - 12-08-2023, 12:13 AM
RE: ECM Pictures 1990 Geo Tracker - by fixkick - 12-08-2023, 12:30 AM
RE: ECM Pictures 1990 Geo Tracker - by fixkick - 12-08-2023, 12:34 AM
RE: ECM Pictures 1990 Geo Tracker - by fixkick - 12-08-2023, 12:35 AM

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