Hi, you guys set up my electric fans on my Sierra. They don't want to come on with the a/c at all. You did tell me it was all set at stock value. I installed the stock tune and started fresh with everything and it still doesn't want to work. I'll post up my tune and hopefully you guys can help me.
Thanks,
Roman
2003 GMC Sierra 2500hd e fan question
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- Posts: 55
- Joined: Fri Jul 27, 2012 9:19 pm
- Location: Roaring Spring, PA
2003 GMC Sierra 2500hd e fan question
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- AR12579405CUA_custom.grg
- (6.25 KiB) Downloaded 261 times
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- ar12579405cua.grg
- (312.11 KiB) Downloaded 273 times
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- ar12579405cua_fans.grg
- (248.1 KiB) Downloaded 265 times
Shootin for the moon
Re: 2003 GMC Sierra 2500hd e fan question
Sorry for the delay, try this.
- Attachments
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- ar12579405cua_fans2.grg
- (248.1 KiB) Downloaded 265 times
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- Posts: 55
- Joined: Fri Jul 27, 2012 9:19 pm
- Location: Roaring Spring, PA
Re: 2003 GMC Sierra 2500hd e fan question
Okay, installed the new tune and pin 33 on my pcm still isn't grounding. Is it possible my pcm won't do this?
Shootin for the moon
Re: 2003 GMC Sierra 2500hd e fan question
Everything is set up in the tune just as a factory e fan vehicle would be. If you're still having issues with it I would suggest maybe going to a standalone fan controller.
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- Posts: 55
- Joined: Fri Jul 27, 2012 9:19 pm
- Location: Roaring Spring, PA
Re: 2003 GMC Sierra 2500hd e fan question
I've done some research and apparently have some pressure issues with my truck, so off to the a/c man to get it fixed. I do appreciate your help, definitely love what the tuner has done for my truck.
Shootin for the moon
Re: 2003 GMC Sierra 2500hd e fan question
6.0swhatuneed wrote:I've done some research and apparently have some pressure issues with my truck, so off to the a/c man to get it fixed. I do appreciate your help, definitely love what the tuner has done for my truck.
Glad you hear you're loving the tuner, let me know if I can help any further.