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Thread: 94 ta electric fans don't work
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04-30-2008, 10:28 AM #1
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- Apr 2008
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green- 1994 trans am
94 ta electric fans don't work
Hi I recently bought a 1994 Trans Am with the lt-1 engine. The car runs anbd drives great. The engine gets warm if I sit in traffic or if I just let the car sit in one spot and idle, but the second I start driving the temp goes right back down. My friend and I narrowed it down to the electric fans not working. We checked the relays and they are good. We also checked the fans by jumping a wire in the relay box and the work. We also put it on a computer and the cars' computer is telling the fans to turn on, but they will not turn on. Any ideas? I think it may be bad wires some where but anyone out there has any ideas I would totally appreciate it. thanks andy
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05-03-2008, 03:39 AM #2
relays: ok
fan motors : ok
computer signal: ok
inbetween the relay and the fans there is a short, or burned wire. recheck relays.
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05-03-2008, 06:37 AM #3
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- Jul 2005
- Location
- Jacksonville, FL
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Try jumpering the pins at the DLC and see if they come on. http://shbox.com/1/4th_gen_tech2.html#cooling
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05-04-2008, 02:58 PM #4
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green- 1994 trans am
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05-04-2008, 02:58 PM #5
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green- 1994 trans am
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05-14-2008, 02:44 PM #6
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green- 1994 trans am
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05-14-2008, 02:57 PM #7
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Did you try jumpering the pins and turning the key on?
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05-14-2008, 03:51 PM #8
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- Apr 2008
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green- 1994 trans am
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05-15-2008, 02:56 PM #9
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- Feb 2006
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- Orange County, NY
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always dirty- 2013 Ram 2014 Caddy ATS
Did you check the block sensor? I think it is right in front of the starter just below the exhaust manifold.
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05-15-2008, 03:08 PM #10
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green- 1994 trans am
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05-15-2008, 03:36 PM #11
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- Aug 2007
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Not really sure i but what about the T-Stat ? I had a problem and that all it was on mine
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05-15-2008, 03:42 PM #12
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05-15-2008, 05:38 PM #13
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green- 1994 trans am
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05-15-2008, 05:48 PM #14
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- Aug 2007
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- FLA
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hey there ok did you check out the other link on this problem http://www.ls1.com/forums/showthread.php?t=85882 seem like a lot of good ideas over there
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05-15-2008, 06:10 PM #15
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05-15-2008, 11:42 PM #16
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green- 1994 trans am
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05-16-2008, 07:38 AM #17
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green- 1994 trans am
[QUOTE=andyp_76;1470373]to answer 1 question. yes i changed the thermostat. the fans do not come on when the ac is on. do think that it still might be the block sensor even though the fans do not come on when the ac is on?[/QUOTE is the sensor you are talking about a knock sensor?
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05-16-2008, 09:11 AM #18
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- Feb 2006
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always dirty- 2013 Ram 2014 Caddy ATS
Try tracing the wires to see if any are cut or burnt first, it is cheaper than replacing parts. Did you try to jump the terminals with the relay out?
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05-16-2008, 10:13 AM #19
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green- 1994 trans am
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05-16-2008, 10:53 AM #20
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if you jump out the relay and it works has no choice but to ber the relay , change the relay it has no choice but to be bad
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