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1994 5.0 OVERHEATING

  • Thread starter Thread starter BANGERSTANGER76
  • Start date Start date Feb 1, 2012
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Dino Dino Bambino

15 Year Member
Jun 13, 2007
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Feb 7, 2012
#21
  • Feb 7, 2012
  • #21
BANGERSTANGER76 said:
So Im going to go ahead and throw a new motor in my fan shroud.
Click to expand...

That won't solve your problem so don't waste your money. I'm almost certain that your low speed fan relay isn't kicking in. Just try connecting a length of wire from pin 14 of the CCRM to a 12v source and see if that makes the fan come on.
 

95ssn95

Member
Nov 4, 2008
53
0
7
Missouri
Feb 7, 2012
#22
  • Feb 7, 2012
  • #22
Still sounds like the same symptoms as I had, did you wiggle the wire going into the fan motor? After opening mine up I found that the brushes were worn causing not to work on low speed.......
 

BANGERSTANGER76

Member
Nov 4, 2011
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DETROIT PLUGZONE 76
Feb 7, 2012
#23
  • Feb 7, 2012
  • #23
Bullitt95 said:
That won't solve your problem so don't waste your money. I'm almost certain that your low speed fan relay isn't kicking in. Just try connecting a length of wire from pin 14 of the CCRM to a 12v source and see if that makes the fan come on.
Click to expand...

I agree with you I really believe it has something to do with that CCRM.
I dont know how to do the test. What do you mean by 12 volt source?
I'm thinking about going ahead and getting a new CCRM.
 

Chythar

Recently finished repairing my rear
20+ Year Stangneter
Aug 26, 2004
2,373
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113
Foothill Ranch, CA
Feb 7, 2012
#24
  • Feb 7, 2012
  • #24
Wouldn't a KOEO test let him know if the low-speed fan was turning on?

A new CCRM is in the $110 range - if you have that kind of cash to toss around, go for it.
 

BANGERSTANGER76

Member
Nov 4, 2011
286
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DETROIT PLUGZONE 76
Feb 7, 2012
#25
  • Feb 7, 2012
  • #25
95ssn95 said:
Still sounds like the same symptoms as I had, did you wiggle the wire going into the fan motor? After opening mine up I found that the brushes were worn causing not to work on low speed.......
Click to expand...

What did you open up? The fan or the CCRM?
 

94GTCoupe

10 Year Member
May 7, 2006
1,412
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CA
Feb 7, 2012
#26
  • Feb 7, 2012
  • #26
Yes,a KOEO test will check both low and high speed.

(OP,I have a used 95-95 5.0 CCRM for sale. PM for details.)
 

95ssn95

Member
Nov 4, 2008
53
0
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Missouri
Feb 7, 2012
#27
  • Feb 7, 2012
  • #27
BANGERSTANGER76 said:
What did you open up? The fan or the CCRM?
Click to expand...
The fan.
 

Dino Dino Bambino

15 Year Member
Jun 13, 2007
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Cyprus
Feb 8, 2012
#28
  • Feb 8, 2012
  • #28
BANGERSTANGER76 said:
I agree with you I really believe it has something to do with that CCRM.
I dont know how to do the test. What do you mean by 12 volt source?
Click to expand...

Before you spend your hard-earned cash on any parts, here's what you need to do (ignition off).

1. Get a 3' length of automotive wire and connect a small crocodile clip on each end.
2. Locate the wire going to pin 14 of the CCRM and make a small break in the insulation to expose the wire underneath.
3. Connect one crocodile clip from your test wire to it.
4. Touch the other crocodile clip of your test wire on the positive battery terminal (12v).

If the low speed fan doesn't come on, it's likely that the relay inside the CCRM is blown. To confirm that, try hotwiring the fan. If the fan does come on when you do that, you'll know that the CCRM is the problem. If it doesn't, the problem will be inside the fan motor.
 
Reactions: davis3

BANGERSTANGER76

Member
Nov 4, 2011
286
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DETROIT PLUGZONE 76
Feb 8, 2012
#29
  • Feb 8, 2012
  • #29
Bullitt95 said:
Before you spend your hard-earned cash on any parts, here's what you need to do (ignition off).

1. Get a 3' length of automotive wire and connect a small crocodile clip on each end.
2. Locate the wire going to pin 14 of the CCRM and make a small break in the insulation to expose the wire underneath.
3. Connect one crocodile clip from your test wire to it.
4. Touch the other crocodile clip of your test wire on the positive battery terminal (12v).

If the low speed fan doesn't come on, it's likely that the relay inside the CCRM is blown. To confirm that, try hotwiring the fan. If the fan does come on when you do that, you'll know that the CCRM is the problem. If it doesn't, the problem will be inside the fan motor.
Click to expand...

Thank you Bullitt.

You set it out very clear for me.
I'll give it a shot. I reallly think the issue is with the CCRM or the fan.
This car is in great running shape and never gave a hint to this happening.
Hopefuly its an easy fix.

Banger
 
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