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#1
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Hazard Light Quirkly Behavior
Hazard light works fine (blinks on and off) for several minutes, then simply stays on. I shut it off, turn it back on, and it works fine for another several minutes, then again stays on.
Any ideas?
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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles 06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
#2
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Pull the switch, carefully disassemble and clean it of dried grease, coffee residue etc. If you have any dielectric grease hit the sliding contacts with a skim coat.
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James Marriott 2003 Buick Regal 1983 300D (228k, frau Auto) 1996 Suburban K2500 (192k, 6.5 turbo diesel/4WD towmaster 10,000) www.engineeringworks.biz 1987 300SDL junker 170k 1982 300SD junker, 265k |
#3
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The blinker relay might be getting tired too.
-J
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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket Tesla Model 3. 205,000 miles. Been to 48 states! Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels. 2014 Cadillac ELR 2013 Fiat 500E. |
#4
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I had this problem, took apart and cleaned the switch a few times, eventually the relay died too. Found both inexpensively, now all is well, and inspection sticker in my window.
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CC: NSA All things are burning, know this and be released. 82 Benz 240 D, Kuan Yin 12 Ford Escape 4wd You're four times It's hard to more likely to concentrate on have an accident two things when you're on at the same time. a cell phone. www.kiva.org It's not like there's anything wrong with feeling good, is there? |
#5
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Make sure to check you blinker fluid. That is a classic sign of low blinker fluid. Like stated above check the switch, and clean it, but it sounds more like a relay issue to me.
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Andrew '04 Jetta TDI Wagon '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#6
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Agree
Quote:
Cleaning the Hazard Switch by whunter 8/28/04 http://www.peachparts.com/Wikka/HazardSwitch Have a great day.
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ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/ |
#7
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Finally getting around to dealing with this....having a son learning to drive has a way of motivating me to fix things! As I have identical cars, I can just swap switches or relays to diagnose.
One question out of curiosity (and I'm sure ignorance): How would a dirty switch account for the symptom I describe (blinking for a few minutes then staying on)? Doesn't the switch simply complete the circuit? Doesn't a failing relay more likely account for the symptom? Thanks.
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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles 06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
#8
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Quote:
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#9
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It was the relay. Swapped it out and all is well.
__________________
14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles 06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
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