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Old December 13th, 2018, 20:43   #1
ItAintRodKnock
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Join Date: Sep 2008
Location: Fraggle Rock, CO
TDI(s): 01GolfTDi
Fuel Economy: 40 with lift
Default Mazda3- Headlight pulse on downshift.

So, my sisters car is doing something that i do not understand. Also, dont know much about her car in general...

Anyways, its a 2013 Mazda 3, 6 speed tranny.
I drove it tonight to bowling league and noticed when i downshift coming to a stop or maintaining speed on a hill the headlights pulse. Dim, Go back to normal, Dim, go back to normal. Not a strobe, but maybe half second intervals.
Running the AC(for more power draw) made no change in the interval rate, or the lumen output of this pulse.

She says she's noticed it for awhile. So, its not new, and she has not recognized any other electrical quirks. The battery is new, Alternator is, assuming, Original.

Any ideas?
I doubt ill be digging into the car to diagnose, but if it turns out to be fairly common, then maybe I'd tackle it.

Thanks for any inputs!
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From FLA to CO!! 2001 Golf 4 door White: R520, Malone 2, McNally gauge, SB stg2E clutch, Panzer FMJ, FrostHeater, 2white2blue Moog 81055, Bilstein TC-s, homemade "$40 2 inch lift" Long time poster, now just a lurker.
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