Today I finally I had some time to do the swap and I could get rid of my rheostat conversion circuit I had for the last few years. If you have e-locker you can splice green/red wire from that switch (it is lighted dimmable) - it is next to dimmer.
My truck does not have many of them, so the lowest hanging fruit was radio (my aftermarket deck does not use that wire anyway).Įlectronic dimmer will fit right into place of a rheostat, even knob mounts the same (dimmer I bought had old washed-out knob) so you can reuse yours from rheostat.īy the way, replacing this dimmer can be done without removing upper dash panel - only lower part needs to be removed for the installation. You need to to splice any green/red wire in the dash: for example from radio, HVAC lighting panel, AC switch, basically any dimmable bulb. Color are matching too: white/black (ground) and white/green (from all dash bulbs). Just disassembly the 2-wire plug for rheostat by removing both contacts from the plastic plug and put them in 3-wire plug. Now the easy part, you don't need to cut wires in your truck. The one I bought of ebay came with 6inch long pigtail. So if you grab it from a junk yard don't forget to get the plug.
#Dim led dashlights upgrade
Now for easy upgrade you need to get original pigtail for this dimmer. This is electronic 3-wire dimer with a bit different plug I bought of ebay "92 93 94 95 96 TOYOTA PICKUP 4RUNNER INTERIOR DIMMER SWITCH BUTTON" that looks like that this one "92-02 Toyota 4Runner Light Dimmer Rheostat Switch OEM 84119-32090" Most of them are same and 100% compatible also mechanically with 1st gen Tacoma. The proven and the easiest solution is replace the rheostat type 2-wire dimmer with electronic type 3-wire dimmer, used in most Toyota cars from years 1990-2005 (maybe more).
#Dim led dashlights full
In that case when you try to dim dash lights, inscndescend bulbs will be dimmed a little and LED bulbs will shine full brightness all the scale (except when dimer position is on "OFF").
The worse case is when you have a mix of incandescent bulbs and LED bulbs. Because LED bulbs take much less current then the given resistance will not dim them correctly. The resistance is calculated for the dimmer to work correctly assuming all bulbs work (no burned bulbs) and all bulbs are the original incandescent type. It is just simple 0-10ohm variable resistor that is in series with all dash bulbs. It is easy to check if you have rheostat as it has 2-wires plug and looks like that. If you like me have "traditional" rheostat for dash lights dimmer you will not be able to dim your LED dash lights.
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