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abshipp 04-10-20 01:27 PM


Originally Posted by abshipp (Post 21411347)
"Funky Electrical Problems From Your 2011 Chevy Colorado"

The internet is so incredibly useful sometimes. From another forum:


Something very strange started happening two days ago with the turn signals on my 2006 3.5L Colorado WT. First I noticed that no matter which way I flipped the turn signal level, it was always flashing the left signal, both the actual lamp and the dash indicator. Then yesterday for a couple of hours I lost turn signals completely, but I noticed that if I left the lever right or left the turn signal warning indicator would come on like normal even though no turn signals or dash indicator was showing. Today I'm back to the original problem. Signalling left or right always flashes the left signal and dash indicator.

Has anyone seen this before?

UPDATE: I had a look at the circuit diagram and realized that the turn signal switch is a two-wire device rather than the standard 3-wire SPDT type. Apparently this switch has two resistors inside that both connect on one end to ground. The switch connects the other end of one of the two resistors to the control unit, which detects whether to activate the right or left signals by the resistance detected to ground.

This means that a loose connection that raised the series resistance could fool the control unit into thinking it should activate the left blinker when the right one was selected.

Bah Humbug 04-10-20 01:28 PM


Originally Posted by abshipp (Post 21411347)
There's a brand new episode of "Funky Electrical Problems From Your 2011 Chevy Colorado" that aired this morning.

Driving in to work, I had no turn signals at all indicated on the dash. No aural indications of the lights switching on and off, either.

I parked my truck and turned the key to the "off" position, and nothing happened. The truck kept running and everything stayed on. I cycled the key to "on" and then back to "off". Worked normally.

At lunch I went out to check to see if anything was actually happening with the lights on the outside. Turned hazards on, all four corners lit up properly.

Switched on left turn signal, left side lights flash.

Switched on right turn signal, left sight lights flash...

Likely have a sticky contact somewhere in the switch. Possibly in the ignition switch as well? At least I have a project for the weekend though :rolleyes:

Electrical problems are always fun to diagnose, especially when they're intermittent. Also, note that this is another GM ignition switch issue.

OTOH, I must give kudos for dropping an "aural" in casual conversation.

datlas 04-10-20 01:36 PM

Nothing against any lurking pharmacists there....but on a daily basis I get SEVERAL messages from pharmacists stating the patient's current (and longstanding) medicine is not available due to backorder/shortage.

That's it. How about telling me what CLOSEST medicine they have that insurance will cover?

No. So I either have to call them to ask that, or play "read their mind" and order what I think is the next best choice. Often times insurance won't cover that. Or it's backordered.

Sigh.

abshipp 04-10-20 01:37 PM


Originally Posted by Bah Humbug (Post 21411354)
Electrical problems are always fun to diagnose, especially when they're intermittent. Also, note that this is another GM ignition switch issue.

OTOH, I must give kudos for dropping an "aural" in casual conversation.

Intermittent electrical problems are a recurring theme with this thing, frustratingly enough.

Had the wiring from the "door open" switch on the driver side fail twice, about a year apart. I checked my initial repair and it was fine, it failed in a different spot :rolleyes:

I have an intermittent ground somewhere around a junction box that will cause the AC/heater fan blower to be intermittent. It's favorite time to fail is, naturally, on the highway on a hot or cold day with no good place to pull over and jiggle it until it works again.

Now turn signal switch and ignition switch issue.

Truck has 110k miles :notamused: And it's on it's second engine.

datlas 04-10-20 01:40 PM


Originally Posted by MoAlpha (Post 21411329)
Psychologist. Does only assessment these days, but manages a big multi-specialty psychology practice.

I hope she is eligible to get one of those small business payroll loans from the feds that turns into a grant if certain conditions are met. We have applied for them. Fingers crossed we can all survive.

rjones28 04-10-20 01:40 PM


Originally Posted by datlas (Post 21411040)
It's my special day and I didn't get an email from BF like in past years.

Sad!

:bday:

Velo Vol 04-10-20 01:44 PM


Originally Posted by Velo Vol (Post 21408460)
I'm so out of shape (or whatever) that I'm not fully appreciating the spring beauty out on the roads.

Sad.

Sunday I did 50+ miles, a level higher ride than I had been doing. No surprise my legs and even lungs weren't up for it. But my neck also bothered me. The next day it was apparent I had pulled something in my lower neck or upper shoulder, presumably from looking behind me.

Four days later and it still hurts almost as much as on Monday. wut

rjones28 04-10-20 01:45 PM


Originally Posted by Velo Vol (Post 21411332)
It's winter again, here. :rolleyes:

Same

https://cimg5.ibsrv.net/gimg/bikefor...be39e965ce.jpg

Velo Vol 04-10-20 01:47 PM


Originally Posted by rjones28 (Post 21411395)
Same

Yikes. By winter I mean 50s/30s.

Let's not get ridiculous here.

MoAlpha 04-10-20 01:48 PM


Originally Posted by datlas (Post 21411378)
I hope she is eligible to get one of those small business payroll loans from the feds that turns into a grant if certain conditions are met. We have applied for them. Fingers crossed we can all survive.

They got their application in last week. Their situation doesn't sound as dire as yours, mainly because the therapy side of the house is working remotely and bringing in some income.

rjones28 04-10-20 01:50 PM


Originally Posted by Velo Vol (Post 21411400)
Yikes. By winter I mean 50s/30s.

Let's not get ridiculous here.

Too late.

Velo Vol 04-10-20 01:56 PM

Do I need a neck brace and will it affect riding?


https://cimg6.ibsrv.net/gimg/bikefor...cce918f388.jpg

seedsbelize 04-10-20 02:04 PM

There were a few people out, but not a gaggle of them on foot

seedsbelize 04-10-20 02:11 PM


Originally Posted by Bah Humbug (Post 21411354)
Electrical problems are always fun to diagnose, especially when they're intermittent. Also, note that this is another GM ignition switch issue.

OTOH, I must give kudos for dropping an "aural" in casual conversation.

Toward the end of my 'doing my own mechanical work' days, I kept a stock of cable and toggle, and/or push button switches around.

seedsbelize 04-10-20 02:12 PM

41c

seedsbelize 04-10-20 02:20 PM


Originally Posted by Velo Vol (Post 21411391)
Sunday I did 50+ miles, a level higher ride than I had been doing. No surprise my legs and even lungs weren't up for it. But my neck also bothered me. The next day it was apparent I had pulled something in my lower neck or upper shoulder, presumably from looking behind me.

Four days later and it still hurts almost as much as on Monday. wut

I had that exact experience back in January. 64 miles though. Lower neck and left shoulder, eventually taking in the left triceps. After multiple attempts at fixing it myself (drugs), I saw some professionals, and then rested it for a full month after treatments. I suggest you don't follow my folly. Springtime and all.

seedsbelize 04-10-20 02:24 PM

I still have tingling in that triceps if my neck is in a certain position

abshipp 04-10-20 02:32 PM


Originally Posted by Velo Vol (Post 21411424)
Do I need a neck brace and will it affect riding?

Just buy yourself a new bike in the mean time:

https://cimg8.ibsrv.net/gimg/bikefor...c5fc4e9b88.jpg

big john 04-10-20 02:39 PM


Originally Posted by Velo Vol (Post 21411391)
Sunday I did 50+ miles, a level higher ride than I had been doing. No surprise my legs and even lungs weren't up for it. But my neck also bothered me. The next day it was apparent I had pulled something in my lower neck or upper shoulder, presumably from looking behind me.

Four days later and it still hurts almost as much as on Monday. wut

Getting old sucks.

LAJ 04-10-20 02:41 PM

Shermers Neck.

LAJ 04-10-20 02:43 PM


Originally Posted by big john (Post 21411127)
It's called throttle body injection. The throttle body, the thing people think is a carburetor, holds one or two injectors which spray fuel into the manifold. I have seen an aftermarket set-up with four injectors in the TB.
Now we have direct injection. High voltage injectors spray fuel into the combustion chamber under 1200psi. What could go wrong?

No doubt. Mystery misfires due to valve deposits, come to mind.

LAJ 04-10-20 02:44 PM


Originally Posted by datlas (Post 21411040)
It's my special day and I didn't get an email from BF like in past years.

Sad!

:bday:

big john 04-10-20 02:45 PM


Originally Posted by abshipp (Post 21411353)
The internet is so incredibly useful sometimes. From another forum:

Most of the really weird problems on those trucks are the fault of the body control module. That said, I didn't usually do that kind of work. Bang and shake stuff around to see if it reacts. The bcm is under the glove box area.

Velo Vol 04-10-20 02:49 PM


Originally Posted by abshipp (Post 21411498)
Just buy yourself a new bike in the mean time:

And a mirror.

Originally Posted by LAJ (Post 21411516)
Shermers Neck.

Oh boy.

https://www.welovecycling.com/wide/2...shermers-neck/


https://cimg2.ibsrv.net/gimg/bikefor...8bf5f699de.png

LAJ 04-10-20 02:51 PM


Originally Posted by big john (Post 21411531)
Most of the really weird problems on those trucks are the fault of the body control module. That said, I didn't usually do that kind of work. Bang and shake stuff around to see if it reacts. The bcm is under the glove box area.

BCM was my first thought, as well. It's certainly not unique to GM products, that's for sure.

big john 04-10-20 02:55 PM


Originally Posted by abshipp (Post 21411371)
Intermittent electrical problems are a recurring theme with this thing, frustratingly enough.

Had the wiring from the "door open" switch on the driver side fail twice, about a year apart. I checked my initial repair and it was fine, it failed in a different spot :rolleyes:

I have an intermittent ground somewhere around a junction box that will cause the AC/heater fan blower to be intermittent. It's favorite time to fail is, naturally, on the highway on a hot or cold day with no good place to pull over and jiggle it until it works again.

Now turn signal switch and ignition switch issue.

Truck has 110k miles :notamused: And it's on it's second engine.

We had problems with the fuse block on several models. What happened to the engine? We had valve problems with the 5 cylinder but I don't remember anyone putting in a whole engine. If it happened it was rare.

big john 04-10-20 02:59 PM


Originally Posted by LAJ (Post 21411524)
No doubt. Mystery misfires due to valve deposits, come to mind.

DTC P050D, rough idle during cold start.

2manybikes 04-10-20 03:18 PM


Originally Posted by BillyD (Post 21409918)
Says who?

We should all blame covid-19 quarantine.

ls01 04-10-20 03:39 PM


Originally Posted by datlas (Post 21411040)
It's my special day and I didn't get an email from BF like in past years.

Sad!

Happy birthday

ls01 04-10-20 03:50 PM


Originally Posted by Velo Vol (Post 21411391)
Sunday I did 50+ miles, a level higher ride than I had been doing. No surprise my legs and even lungs weren't up for it. But my neck also bothered me. The next day it was apparent I had pulled something in my lower neck or upper shoulder, presumably from looking behind me.

Four days later and it still hurts almost as much as on Monday. wut

Get a mirror.


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