1988 Mustang Electrical Issue

kuskye25 · December 18th, 2007, 02:55 PM

HI,

This morning when i started my car all is well accept i have no heater fan, rear defrost, or turn signals. So far everthing else is working and the car runs fine... Last night everything was working perfectly when I shut it off. All fuses in the interior check out.

Just wondering if anyone has any ideas, or if it is a fusible link maybe somebody can help me in the direction of which one...

Thanks

Black Five 0h · December 18th, 2007, 05:31 PM

this happened to me, but it was right after i got done doing my heater core, i checked everywhere for a bad ground or a short and that was the problem my glovebox light was grounding out on the metal frame my dash attaches to. if thats not your problem im not too sure what could be the probem, check all of your connections your blinkers are behing your steering wheel on the column the top plug, if your hazrd lights are disconnected that will cause your blinkers not to work.check the plugs in the back of your heater contols, maybe dead.

92hatchback · December 18th, 2007, 06:09 PM

same exact thing happened to me and i still haven't figured mine out. one night the turn signals are working and the defrost the next mourning neither was working. Ive been driving for like 2 weeks with no blinkers.. tell me if you find your problem

Black Five 0h · December 18th, 2007, 09:07 PM

my problem is not exactly the same, but i do have a charging problem today again, if you guys have done anything new to your cars, like messing with anything electrical then go back and redo it.

kuskye25 · December 19th, 2007, 12:55 PM

all anyone has told me so far locally is it has to be a problem in my fusible links as i dont have a engine compartment fuse box..... so im buying a tester today to find which one is bad and replace it, i have 2x18ga and 4x16ga fusible links that i can find so far.. ill post my results sometime today.

kuskye25 · December 21st, 2007, 02:02 PM

Ok after like 8 hours of diagnosis i figured it out, main thing that led me to my problem was using a test light on fuses while the ignition was in the on position. three different ones in the interior fuse box were completely dead "good fuses just no power to the fusebox". So i preceeded to open up the steering console and the main connector in it was slightly unplugged. Pushed that in till it clicked and all problems fixed, i have heater fan turn signals and rear defrost again along with everyhting else.

All is well with my stang finally, hope this helps someone else...

Black Five 0h · December 21st, 2007, 04:01 PM

now my fuel pump isnt getting power, the pump is not dead i checked it, now i will check my fusebox with the key on and see if that is something to do with it. i have no idea where to even start im about to hire someone

kuskye25 · December 21st, 2007, 06:24 PM

im pulling for you blackfiveoh, hopefully a fuse test light on all the interior fuses will reveil some more info on your issue... I hate having to hire shit done hahah

88sbcmustang · February 7th, 2010, 06:12 AM

if you havent already figured it out its a plug on the steering column if you push up on it it will work you need to replace it

87StangGT · February 7th, 2010, 09:32 AM

hey 88sbcmustang you just re-opened a thread from 3 years ago.

December 18th, 2007, 02:55 PM	#1
kuskye25 Regular Join Date: Dec 2007 Posts: 371	1988 Mustang Electrical Issue HI, This morning when i started my car all is well accept i have no heater fan, rear defrost, or turn signals. So far everthing else is working and the car runs fine... Last night everything was working perfectly when I shut it off. All fuses in the interior check out. Just wondering if anyone has any ideas, or if it is a fusible link maybe somebody can help me in the direction of which one... Thanks __________________ '88 Mustang GT, Long Tube Headers, Off Road H-pipe, Flowmasters w/turn downs, K&N, Under Drive Pullies, Smog delete/Ac eliminator/72" belt, Subframe connectors, 3.73 Gears '93 LX 4-banger 78k miles

December 18th, 2007, 05:31 PM	#2
Black Five 0h Enthusiast 02 Mustang GT Cant wait to find out Join Date: Mar 2007 Location: Connecticut Posts: 508	this happened to me, but it was right after i got done doing my heater core, i checked everywhere for a bad ground or a short and that was the problem my glovebox light was grounding out on the metal frame my dash attaches to. if thats not your problem im not too sure what could be the probem, check all of your connections your blinkers are behing your steering wheel on the column the top plug, if your hazrd lights are disconnected that will cause your blinkers not to work.check the plugs in the back of your heater contols, maybe dead. __________________ 02 Mustang GT "We build it up, run it hard, we know whats breaking and we enjoy it breaking, we dump money into it, we re-build it stronger, run it harder in anticipation of it breaking again. We are sick individuals."

December 18th, 2007, 09:07 PM	#4
Black Five 0h Enthusiast 02 Mustang GT Cant wait to find out Join Date: Mar 2007 Location: Connecticut Posts: 508	my problem is not exactly the same, but i do have a charging problem today again, if you guys have done anything new to your cars, like messing with anything electrical then go back and redo it. __________________ 02 Mustang GT "We build it up, run it hard, we know whats breaking and we enjoy it breaking, we dump money into it, we re-build it stronger, run it harder in anticipation of it breaking again. We are sick individuals."

December 19th, 2007, 12:55 PM	#5
kuskye25 Regular Join Date: Dec 2007 Posts: 371	all anyone has told me so far locally is it has to be a problem in my fusible links as i dont have a engine compartment fuse box..... so im buying a tester today to find which one is bad and replace it, i have 2x18ga and 4x16ga fusible links that i can find so far.. ill post my results sometime today. __________________ '88 Mustang GT, Long Tube Headers, Off Road H-pipe, Flowmasters w/turn downs, K&N, Under Drive Pullies, Smog delete/Ac eliminator/72" belt, Subframe connectors, 3.73 Gears '93 LX 4-banger 78k miles

December 21st, 2007, 02:02 PM	#6
kuskye25 Regular Join Date: Dec 2007 Posts: 371	Ok after like 8 hours of diagnosis i figured it out, main thing that led me to my problem was using a test light on fuses while the ignition was in the on position. three different ones in the interior fuse box were completely dead "good fuses just no power to the fusebox". So i preceeded to open up the steering console and the main connector in it was slightly unplugged. Pushed that in till it clicked and all problems fixed, i have heater fan turn signals and rear defrost again along with everyhting else. All is well with my stang finally, hope this helps someone else... __________________ '88 Mustang GT, Long Tube Headers, Off Road H-pipe, Flowmasters w/turn downs, K&N, Under Drive Pullies, Smog delete/Ac eliminator/72" belt, Subframe connectors, 3.73 Gears '93 LX 4-banger 78k miles

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December 18th, 2007, 06:09 PM	#3
92hatchback Regular Join Date: Nov 2007 Location: macomb Posts: 144	same exact thing happened to me and i still haven't figured mine out. one night the turn signals are working and the defrost the next mourning neither was working. Ive been driving for like 2 weeks with no blinkers.. tell me if you find your problem

December 21st, 2007, 04:01 PM	#7
Black Five 0h Enthusiast 02 Mustang GT Cant wait to find out Join Date: Mar 2007 Location: Connecticut Posts: 508	now my fuel pump isnt getting power, the pump is not dead i checked it, now i will check my fusebox with the key on and see if that is something to do with it. i have no idea where to even start im about to hire someone __________________ 02 Mustang GT "We build it up, run it hard, we know whats breaking and we enjoy it breaking, we dump money into it, we re-build it stronger, run it harder in anticipation of it breaking again. We are sick individuals."

December 21st, 2007, 06:24 PM	#8
kuskye25 Regular Join Date: Dec 2007 Posts: 371	im pulling for you blackfiveoh, hopefully a fuse test light on all the interior fuses will reveil some more info on your issue... I hate having to hire shit done hahah __________________ '88 Mustang GT, Long Tube Headers, Off Road H-pipe, Flowmasters w/turn downs, K&N, Under Drive Pullies, Smog delete/Ac eliminator/72" belt, Subframe connectors, 3.73 Gears '93 LX 4-banger 78k miles

February 7th, 2010, 06:12 AM	#9
88sbcmustang Newbie 1988 mustang hatchback Join Date: Jan 2010 Location: springfield Posts: 21	if you havent already figured it out its a plug on the steering column if you push up on it it will work you need to replace it

February 7th, 2010, 09:32 AM	#10
87StangGT Regular 1987 Mustang GT Join Date: Oct 2009 Location: Cape Coral, FL Posts: 76	hey 88sbcmustang you just re-opened a thread from 3 years ago. Last edited by 87StangGT : February 7th, 2010 at 09:36 AM.

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