AC/Heat: Full blast or nothing. - Page 2 - 3000GT/Stealth International Message Center

digger · 12-22-2007, 07:32 PM

Hey im having the same problem. can someone post the location of the transistor fan blower pack and maybe what it looks like. i took my gloove box out and found a round relay at the bottom of the heater by the passengers feet that was held in place by a clip. i unplugged it and now my fan doesent work at all. Is that it? any help would be appreciated
Thanks Joe

L_P · 12-23-2007, 03:00 PM

Quote:

Originally Posted by digger

Hey im having the same problem. can someone post the location of the transistor fan blower pack and maybe what it looks like. i took my gloove box out and found a round relay at the bottom of the heater by the passengers feet that was held in place by a clip. i unplugged it and now my fan doesent work at all. Is that it? any help would be appreciated
Thanks Joe

The relay is the high speed relay for full speed running.
I will post up the location here give me a few minutes to get the picture.

L_P · 12-23-2007, 03:12 PM

In the Location picture it is number (3) this also shows you where it is located.
In the other picture this is what the part looks like once you take it out.

Let me know if you have any questions.
-John

digger · 12-23-2007, 09:21 PM

Ok I found it, thanks for posting its location. now do you know were i can get a new one and maybe how much it is.
Thanks Joe

xxnightraven73x · 12-24-2007, 03:28 AM

if the blower motor only works on high 99% of the time its the blower motor resistor its hardly ever a bad motor or anything like that

L_P · 12-26-2007, 03:57 PM

Quote:

Originally Posted by digger

Ok I found it, thanks for posting its location. now do you know were i can get a new one and maybe how much it is.
Thanks Joe

Ebay or look for someone parting out the entire car here on 3SI.
I think a new one can be had at the Stealership but I do not know how much.

L_P · 12-26-2007, 03:59 PM

If the blower works on high... then the blower works.

Quote:

Originally Posted by xxnightraven73x

if the blower motor only works on high 99% of the time its the blower motor resistor its hardly ever a bad motor or anything like that

xxnightraven73x · 12-26-2007, 04:52 PM

well some people think its the motor if it only works on high but the resistor controls the fan speed. i dont know why you felt the need to post that but hey good for you

Buck Waller · 05-15-2008, 09:03 PM

I am a new owner that had this same problem and fixed my transistor pack. I am in the electronics industry and found that with mine the transistor thermal grease behind the transistor was dried up so there was not good heat transfer from the power transistor to the heatsink. This caused the large power transistor to burn up. The original transistor used was a Toshiba part that is now obsolete so I used a 25 amp part that I use at my company. It cost me $1.50 to replace this part and put thermal grease under the transistor to avoid a repeat of the problem. I can give more details to anyone who is looking to fix the same problem.

12-22-2007, 07:32 PM	#11 (permalink)
digger New User - Please be kind Join Date: Jun 2003 Location: northern wi Trader Rating: (1)	Re: AC/Heat: Full blast or nothing. Hey im having the same problem. can someone post the location of the transistor fan blower pack and maybe what it looks like. i took my gloove box out and found a round relay at the bottom of the heater by the passengers feet that was held in place by a clip. i unplugged it and now my fan doesent work at all. Is that it? any help would be appreciated Thanks Joe

12-23-2007, 09:21 PM	#14 (permalink)
digger New User - Please be kind Join Date: Jun 2003 Location: northern wi Trader Rating: (1)	Re: AC/Heat: Full blast or nothing. Ok I found it, thanks for posting its location. now do you know were i can get a new one and maybe how much it is. Thanks Joe

12-24-2007, 03:28 AM	#15 (permalink)
xxnightraven73x Forum Member Join Date: Sep 2007 Location: maine Drives: 94stealth99silverado Trader Rating: (1)	Re: AC/Heat: Full blast or nothing. if the blower motor only works on high 99% of the time its the blower motor resistor its hardly ever a bad motor or anything like that __________________ 94 stealth black with red,white and charcoal interior. sohc k&n intake,accel wires,custom 3"cat back dual outlet with dual 4" tipped n1 cans.17" gunmetal exel wheels,michelin pilots,kenwood cd player,audiobahn 1600watt amp,robo headlight mod ... more to come hopefully a tt swap funny in 4 months ive driven the car once (home) but its fun as hell throwing shiny parts at it lol

12-26-2007, 04:52 PM	#18 (permalink)
xxnightraven73x Forum Member Join Date: Sep 2007 Location: maine Drives: 94stealth99silverado Trader Rating: (1)	Re: AC/Heat: Full blast or nothing. well some people think its the motor if it only works on high but the resistor controls the fan speed. i dont know why you felt the need to post that but hey good for you

05-15-2008, 09:03 PM	#19 (permalink)
Buck Waller New User - Please be kind Join Date: Apr 2008 Trader Rating: (0)	Re: AC/Heat: Full blast or nothing. I am a new owner that had this same problem and fixed my transistor pack. I am in the electronics industry and found that with mine the transistor thermal grease behind the transistor was dried up so there was not good heat transfer from the power transistor to the heatsink. This caused the large power transistor to burn up. The original transistor used was a Toshiba part that is now obsolete so I used a 25 amp part that I use at my company. It cost me $1.50 to replace this part and put thermal grease under the transistor to avoid a repeat of the problem. I can give more details to anyone who is looking to fix the same problem.

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