Hey Reumster,problem with LED inserts - The 1947 - Present Chevrolet & GMC Truck Message Board Network

BobbyK · 04-02-2003, 02:51 PM

My new LED inserts work but not properly.
Do I need a special electronic flasher.I'm already running a H/D electronic flasher.

1st the brake lights,4 way flashers,running lights and turn signals all work fine with the reg. bulbs in.

With the lights off only the drivers side will blink.with the lights on no turn signals at all.brakes work,they light up nice and bright,but no turn signals.

Anyone have an idea what's the problem.

Again everything works properly with the regular bulbs in.

c10crazy · 04-02-2003, 03:23 PM

I think you do need one.

Wasted Income · 04-02-2003, 04:05 PM

I'm having sort of a similar problem. Like BobbyK, everything works great with the 1157s in.

Running Lights alone - work

Brake Lights alone - work

Brake lights with taillights - work

Turn signals alone - "work" but only flash dim, like the running lights, not with the intensity of the brake lights.

Basically, the turn signals are only lighting up to the level of running lights when the headlights are on.

I just replaced my flasher with an electronic one.

Any ideas, Ryan?

70 Jimmy · 04-02-2003, 04:43 PM

Check your ground. Make sure it's bare metal to the ground wire (no rust or paint). Typically LED's are more finicky about that.

chaptr2 · 04-02-2003, 05:33 PM

On my set I used just a cheap electric flasher. I had the same problems with my tail lights and it was all because they wern't clean. I'm not talking clean to the naked eye, I'm talking clean to a new white cloth. Really clean the sockets well and you shouldn't have any problems.

**StingRay** · 04-02-2003, 07:22 PM

Just a thought but maybe that electronic flasher isn't seeing enough of a load. Those LED's don't draw alot do they?

c10crazy · 04-02-2003, 08:09 PM

What type of flasher is the correct one to make everything work properly?

Reumster · 04-03-2003, 10:13 AM

Wow sorry I missed this post. Yes you may need a electric flasher AutoZone its EL12, but just have to match the stock 552 prongs with a electric one. Let me know if it corrects the problem if not we'll send you a new set.

Reumster · 04-03-2003, 10:18 AM

Also sometimes due to the 30 year old housings they are wore a bit , being careful not to ground out the two terminals at the bottom of the bulb base rap some tin foil around it. And like was mentioned allready clean. Electric parts cleaner, and Q-tip, and then some dielectric grease can't hurt.

Also the springs in old sockets can be weak, so with power off push in on them a few good times while spraying with cleaner. Let me know.

BobbyK · 04-03-2003, 12:28 PM

Thanks,I'll give those ideas a try.I'll post with the results.

04-02-2003, 02:51 PM	#1
BobbyK Registered User Join Date: May 2000 Location: Petrolia,Ontario,Canada but working in Port Huron,Mi. Posts: 1,771	Hey Reumster,problem with LED inserts My new LED inserts work but not properly. Do I need a special electronic flasher.I'm already running a H/D electronic flasher. 1st the brake lights,4 way flashers,running lights and turn signals all work fine with the reg. bulbs in. With the lights off only the drivers side will blink.with the lights on no turn signals at all.brakes work,they light up nice and bright,but no turn signals. Anyone have an idea what's the problem. Again everything works properly with the regular bulbs in. __________________ 71 blazer,350SBC,approx.375HP,700R4,factory GM TPI.Dual electric fans,33x12.5x15 ATR on stock suspension. Petrolia,Ontario,Canada but working in Port Huron,MI. See ALL my Blazer pic's HERE

04-02-2003, 03:23 PM	#2
c10crazy Like a Rock! Join Date: May 2002 Location: USA Posts: 1,092	I think you do need one. __________________ 69 LWB Runs great - work in progress Mess with me and you mess with the whole trailer park!

04-02-2003, 04:05 PM	#3
Wasted Income Boosted Member Join Date: May 2002 Location: Mackinaw, IL Posts: 2,200	I'm having sort of a similar problem. Like BobbyK, everything works great with the 1157s in. Running Lights alone - work Brake Lights alone - work Brake lights with taillights - work Turn signals alone - "work" but only flash dim, like the running lights, not with the intensity of the brake lights. Basically, the turn signals are only lighting up to the level of running lights when the headlights are on. I just replaced my flasher with an electronic one. Any ideas, Ryan? __________________ 1972 2wd K/5 Blazer Turbocharged 370 LSx - 941 rwhp / 1093 rwtq 1969 Chevy K-10 L33 5.3 / 4L80E / NP241 / 4" lift 1964 Buick Skylark Twin TURBO 383 LS pro-touring project 2014 VW Passat TDI - Daily Driver Turbo diesel 2015 Sierra Denali HD Duramax Turbo diesel 2016 Ford Explorer Sport - Twin Turbskis 2017 Polaris RZR Turbo 2014 Nor-Tech Center Console - Twin Supercharged Outboards *TURBO ALL THE THINGS!!*

04-02-2003, 04:43 PM	#4
70 Jimmy aka Crusher, Crushergmc Join Date: Mar 2000 Location: Oregon Posts: 1,834	Check your ground. Make sure it's bare metal to the ground wire (no rust or paint). Typically LED's are more finicky about that. __________________ "KEEP IT DOWN!" 70 Jimmy 454 2wd 56 GMC Big Window "It's funny till someone gets hurt, then it's freakin' hilarious"

04-02-2003, 05:33 PM	#5
chaptr2 Registered User Join Date: Mar 2000 Location: Olalla, WA Posts: 705	On my set I used just a cheap electric flasher. I had the same problems with my tail lights and it was all because they wern't clean. I'm not talking clean to the naked eye, I'm talking clean to a new white cloth. Really clean the sockets well and you shouldn't have any problems. __________________ This is only my opinion and it is subject to change. 70 GMC Short box stepside Blown 388 Stroker 72 K/5 Blazer 350/SM465/205

04-02-2003, 07:22 PM	#6
StingRay Senior Member Join Date: Mar 2000 Location: Saskatoon,SK,Canada Posts: 2,476	Just a thought but maybe that electronic flasher isn't seeing enough of a load. Those LED's don't draw alot do they? __________________ Saskatoon, Saskatchewan Canada

04-02-2003, 08:09 PM	#7
c10crazy Like a Rock! Join Date: May 2002 Location: USA Posts: 1,092	What type of flasher is the correct one to make everything work properly? __________________ 69 LWB Runs great - work in progress Mess with me and you mess with the whole trailer park!

04-03-2003, 10:13 AM	#8
Reumster L.E.D. Freak Join Date: Jan 2002 Location: Polson MT Posts: 1,358	Wow sorry I missed this post. Yes you may need a electric flasher AutoZone its EL12, but just have to match the stock 552 prongs with a electric one. Let me know if it corrects the problem if not we'll send you a new set. __________________ Specializing in Custom L.E.D. inserts. http://www.ccled.com/ Contact me @ blazer2wd1972@hotmail.com (406)675-8082 or Joel @ jmcwaters@eps-corp.net 1972 2wd Blazer, 350/700R4/3:73 posi, err & Custom L.E.D. inserts! LOL

04-03-2003, 10:18 AM	#9
Reumster L.E.D. Freak Join Date: Jan 2002 Location: Polson MT Posts: 1,358	Also sometimes due to the 30 year old housings they are wore a bit , being careful not to ground out the two terminals at the bottom of the bulb base rap some tin foil around it. And like was mentioned allready clean. Electric parts cleaner, and Q-tip, and then some dielectric grease can't hurt. Also the springs in old sockets can be weak, so with power off push in on them a few good times while spraying with cleaner. Let me know. __________________ Specializing in Custom L.E.D. inserts. http://www.ccled.com/ Contact me @ blazer2wd1972@hotmail.com (406)675-8082 or Joel @ jmcwaters@eps-corp.net 1972 2wd Blazer, 350/700R4/3:73 posi, err & Custom L.E.D. inserts! LOL

04-03-2003, 12:28 PM	#10
BobbyK Registered User Join Date: May 2000 Location: Petrolia,Ontario,Canada but working in Port Huron,Mi. Posts: 1,771	Thanks,I'll give those ideas a try.I'll post with the results. __________________ 71 blazer,350SBC,approx.375HP,700R4,factory GM TPI.Dual electric fans,33x12.5x15 ATR on stock suspension. Petrolia,Ontario,Canada but working in Port Huron,MI. See ALL my Blazer pic's HERE



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