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Old 11-06-2016, 08:56 AM   #1
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Default More old car shenanigans

So yesterday the turn signals and heater fan quit working in my 88 Ford Taurus, but ONLY when the car is running. If the ignition is on they work fine, start the car up and nope.

We cleaned corrosion off the battery terminals thinking that might be it, and they did work right then, but when I went to drive somewhere a few hours later, they didn't work again while car running.

Any ideas? Thank you
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Old 11-06-2016, 09:15 AM   #2
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It first sounded like a fuse problem but now I think it might be a faulty relay.
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Old 11-06-2016, 09:28 AM   #3
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Quote:
Originally Posted by Ter View Post
It first sounded like a fuse problem but now I think it might be a faulty relay.

That would cause two things to not work properly?
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Old 11-06-2016, 09:42 AM   #4
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I would be checking to see if the Alternator is charging your
battery .

If the alternator is not charging , your battery needs to supply
more power when the motor is running , hence there is less
power available ( lower voltage ) to drive the do-dahs .

Do you have a charge warning ( red battery symbol ) showing
on your instrument panel when the motor is running ?



..
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Old 11-06-2016, 09:54 AM   #5
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Quote:
Originally Posted by Ross View Post
I would be checking to see if the Alternator is charging your
battery .

If the alternator is not charging , your battery needs to supply
more power when the motor is running , hence there is less
power available ( lower voltage ) to drive the do-dahs .

Do you have a charge warning ( red battery symbol ) showing
on your instrument panel when the motor is running ?



..
No, no warning.
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Old 11-06-2016, 10:04 AM   #6
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Do I understand? with the ignition switch set to accessory, engine not running, the fan and turn signals work? but when the car is running they don't?
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Old 11-06-2016, 10:08 AM   #7
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Quote:
Originally Posted by drummagick View Post
That would cause two things to not work properly?
That depends on the way your automobile is wired.
I would offer the services of my car electrician but we have a geographical problem.
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Old 11-06-2016, 10:29 AM   #8
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My first thought is that you have a bad wire somewhere. My best guess is in the ignition switch.
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Old 11-06-2016, 10:30 AM   #9
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Quote:
Originally Posted by Sonny View Post
Do I understand? with the ignition switch set to accessory, engine not running, the fan and turn signals work? but when the car is running they don't?

Yes, exactly. Add rear window defroster to things not working.


However, I got halfway to work just now, one mile from home, stopped at the light and tried the turn signals again and they worked. Flipped on the heater fan and the read window defroster and finiished the drive to work.

There is a glitch in my car's matrix.

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Old 11-06-2016, 11:43 AM   #10
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drummagick, does your car have driver and passenger airbags?

~

I wonder if it could be the ignition switch ?

I'd have to educate myself before I'd mess with the electricals in the steering column on any car that has airbags.


Never been to this site before but I'd repost the problem there..
http://www.taurusclub.com/forum/82-maintenance-repair/

Last edited by Sonny; 11-06-2016 at 12:29 PM.
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Old 11-06-2016, 12:13 PM   #11
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Quote:
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drummagick, does your car have driver and passenger airbags?

No it does not
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Old 11-06-2016, 12:50 PM   #12
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No airbag, good.

I wonder if it could be the ignition switch ?

I'd have to educate myself before I'd mess with the electricals in the steering column on any car that has airbags.

Never been to this site before, might be better ones, but I'd repost the problem there..
http://www.taurusclub.com/forum/82-maintenance-repair/
include the year in the thread title
post a link back here so we can follow what they say

also
This site does have online pdf electrical diagrams for the 1988 Taurus
http://www.revbase.com/BBBMotor/Wd

Last edited by Sonny; 11-06-2016 at 01:06 PM.
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Old 11-06-2016, 01:18 PM   #13
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I would also say ignition switch.

Tens of thousands and f starts, keys on a key ring, ...

Take the ignition key off the key right and try it. When the car is running jiggle the ignition by the ears. Does Fords have ears? Chevys do.

Do the accessories run in the Run mode?
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Old 11-06-2016, 01:23 PM   #14
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Ignition switch can be weird sometimes when starting the car. When my ex has to fiddle around, I tell him to let me start it because I know exactly how to do it so the car starts on the first try, Otherwise, it doesn't seem to want to catch right. Does this make sense?

---------- Post added at 09:20 AM ---------- Previous post was at 09:19 AM ----------

Quote:
Originally Posted by Potemkin View Post
I would also say ignition switch.

Tens of thousands and f starts, keys on a key ring, ...

Take the ignition key off the key right and try it. When the car is running jiggle the ignition by the ears. Does Fords have ears? Chevys do.

Do the accessories run in the Run mode?

Run mode? If you mean when the car is running, they were not until
I was almost to work this morning. Only in Accessory mode.

---------- Post added at 09:23 AM ---------- Previous post was at 09:20 AM ----------

Just went out and started car. Everything still working but I'm worried it won't stay that way.
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Old 11-06-2016, 02:42 PM   #15
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Quote:
Originally Posted by drummagick View Post
Ignition switch can be weird sometimes when starting the car. When my ex has to fiddle around, I tell him to let me start it because I know exactly how to do it so the car starts on the first try, Otherwise, it doesn't seem to want to catch right. Does this make sense?.

"Fiddling with it to start" is one of the main signs. Based on this and the accessory issue it is sounding more and more like the ignition switch to me.

It is like any other switch. Contacts wear, plastic parts wear, pocket lint and ear wax gets on there, etc.

BTW when you start it do you start it with your key and he starts it with his? Or can you start it with both?
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Old 11-06-2016, 04:37 PM   #16
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It's my car only, so my key.

It's been working fine since it started working again halfway to work this morning. I'll keep my fingers crossed and we'll look at the ignition switch if it craps out again.

Thanks, everyone

ear wax yuk
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Old 11-07-2016, 09:15 AM   #17
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Quote:
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ear wax yuk
Yea, you would be surprised how many people clean their ears with their car keys.

Check your friend's keys out next time.
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Old 11-07-2016, 09:28 AM   #18
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drummagick, You might see if your car is included in a recall. If so Ford may replace the ignition switch at no cost to you? OR if not you might want to at least find out where you can buy the part, maybe an online auto parts store or EBay ? Most likely it will have to be special ordered where ever you buy it. Many people, DIYs, could replace it, after watching a youtube howto video, if they have the part.



Ford recalls 8.7 million vehicles Ignition switches linked to hundreds of steering wheel fires

April 26, 1996|By NEW YORK TIMES NEWS SERVICE
DETROIT -- Yielding to public pressure and a series of class-action lawsuits, Ford Motor Co. yesterday announced the largest recall by a single automaker, asking that the owners of 8.7 million cars, trucks and minivans bring them to dealers for replacement of ignition switches that might cause fires.
The recall covers the bulk of Ford's vehicles for 1988 through 1992 model years as well as a few early 1993 model cars.
The company had received complaints that short circuits in the switches had started at least 1,100 fires in the United States and Canada.


http://articles.baltimoresun.com/199...-ford-vehicles

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Old 11-07-2016, 01:42 PM   #19
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Drum if you end up having to buy a new switch try RockAuto.com, my mechanic recomends it and buys parts from them when he can't get them here in town. I priced the parts to replace my muffler and they were cheaper than the national parts stores.
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Old 11-07-2016, 02:04 PM   #20
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Just remember the ignition switch will be the part that bolts up to the lock cylinder that the key fits in. .
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Old 11-07-2016, 02:29 PM   #21
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BTDT---Most likely ignition switch but I think that your year model may still have the plastic with the slide rod ---those get cracks, worn, moved, stretched---you name it..

So don't count on it just being the lock cylinder

Honestly, if you want to test it pool the cover off top of the steering column and use a pliers to move the metal rod front to back and see what happens.
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Old 11-07-2016, 03:27 PM   #22
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Quote:
Originally Posted by Sonny View Post
drummagick, You might see if your car is included in a recall. If so Ford may replace the ignition switch at no cost to you? OR if not you might want to at least find out where you can buy the part, maybe an online auto parts store or EBay ? Most likely it will have to be special ordered where ever you buy it. Many people, DIYs, could replace it, after watching a youtube howto video, if they have the part.



Ford recalls 8.7 million vehicles Ignition switches linked to hundreds of steering wheel fires

April 26, 1996|By NEW YORK TIMES NEWS SERVICE
DETROIT -- Yielding to public pressure and a series of class-action lawsuits, Ford Motor Co. yesterday announced the largest recall by a single automaker, asking that the owners of 8.7 million cars, trucks and minivans bring them to dealers for replacement of ignition switches that might cause fires.
The recall covers the bulk of Ford's vehicles for 1988 through 1992 model years as well as a few early 1993 model cars.
The company had received complaints that short circuits in the switches had started at least 1,100 fires in the United States and Canada.


http://articles.baltimoresun.com/199...-ford-vehicles

:O

THANK YOU, SONNY!!
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Old 11-09-2016, 04:09 PM   #23
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Went to leave work, turned car on, fan was working. Started car, fan turned off. Reached down and jiggled key in ignition, fan started working again.

Bingo.

Thanks again everyone.
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Old 11-09-2016, 06:13 PM   #24
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Quote:
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Went to leave work, turned car on, fan was working. Started car, fan turned off. Reached down and jiggled key in ignition, fan started working again.

Bingo.

Thanks again everyone.
Sweet!

Nothing like diagnosis via the Internet
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Old 11-09-2016, 06:27 PM   #25
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Y'all are awesome.
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