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[S10-EV] Heat Pump not heating

Gil Dawson Thu, 19 Nov 2009 12:41:14 -0800 2009 Thread size 19
I believe I may have contributed to a misunderstanding when I said: On Nov 18, 2009, at 10:53 A, Gil Dawson wrote: > The 40?F thermostat causes the kerosene heater to light up This function is not controlled by a thermostat. A calibrated thermistor behind the front grill measu...

[S10-EV] Heat Pump not heating

Adams, Lynn Thu, 19 Nov 2009 09:14:38 -0700 2009 Thread size 19
Yes, if the thermostat is below 40, the heat pump will not come on and the diesel heater is engaged. You can play with it a little by placing a resistor in series or parallel with the thermistor located behind the front grill to either allow the heat pump to work (very ineffec...

[S10-EV] Heat Pump not heating

Gil Dawson Wed, 18 Nov 2009 10:53:12 -0800 2009 Thread size 19
IIRC, The 40?F thermostat causes the kerosene heater to light up, if it can. Do you suppose that it also prevents the heat pump from operating? On Nov 16, 2009, at 6:01 A, Philip Morgan wrote: > Steve: > > I never doubted it. I probably didn't realize that the button was > nec...

[S10-EV] Heat Pump not heating

Philip Morgan Mon, 16 Nov 2009 14:01:27 +0000 2009 Thread size 19
Steve: I never doubted it. I probably didn't realize that the button was necessary for heat above 40?F but my testing was done below 40?F and the button was on (light was lit). Just to clarify, I operated the heat over the past weekend when temp was 55?F and heat poured out so...

[S10-EV] Heat Pump not heating

Philip Morgan Thu, 12 Nov 2009 19:40:09 +0000 2009 Thread size 19
Steve: Use of scantool was second question I asked in previous reply. I haven't tried to use it on this problem yet. It's a maze of menues and without guidance, I've never found my way to anything I could understand. - - Phil, from Palm Treo 755p using Palm Mail ---- Original...

[S10-EV] Heat Pump not heating

Philip Morgan Thu, 12 Nov 2009 19:03:39 +0000 2009 Thread size 19
Can't say that I understand them but I have a friend at a local Chevrolet dealer who has offered to let me use them (2000 pages as I recall he told me). Have you any insights on the problem or the use of the ScanTool for this issue? - - Phil, from Palm Treo 755p using Palm Mai...

[S10-EV] Heat Pump not heating

Philip Morgan Thu, 12 Nov 2009 15:19:47 +0000 2009 Thread size 19
Patrick: Interesting idea. I have only used that lower righthand button when temps are below 40?F. The heat used to pour our very well at 45?-50? F but doesn't do so anymore. - - Phil, from Palm Treo 755p using Palm Mail ---- Original Message ---- From: "[email removed]" <[ema...

[S10-EV] 1997 S10 for parts on eBay

Paul Peavyhouse Sat, 31 Oct 2009 14:28:04 -0700 2009 Thread size 2
WOW! Makes me almost sick to see that someone found more value in the body parts than the electric components! Pv On Sat, Oct 31, 2009 at 11:11 AM, MJA <[email removed]> wrote: > Attention fellow S10 owners: > > I noticed this item on eBay, and thought that someone here might...

[S10-EV] '98 model year heater test fuse location?

Steve Hawkins Fri, 18 Apr 2008 08:11:32 -0600 2008 Thread size 2
Hi all, I have a '98 model year and can't locate the heater test fuse outlet. Can someone with a '98 send me a location description, or a picture, of where the fuse is located? I understand it is a somewhat of a different location then the '97s. Thanks, Steve -------------- ne...

[S10-EV] tricking the diesel fuel heater

Jeff Thomas Fri, 21 Dec 2007 11:41:49 -0800 2007 Thread size 2
Dave, the test cycle is aborted when vehicle is in run mode. The common method is to place a 10k resistor in series with the front temp sensor -tricking the HTCM into running the FFH when ambient temps are in the 50's. Jeff __________________________________ Sent from my hacke...

[S10-EV] tricking the diesel fuel heater

Dave Skweir Fri, 21 Dec 2007 11:07:39 -0800 (PST) 2007 Thread size 2
Maybe I am a little too late to add my two cents worth but it seems you guys are trying to over-complicate things here. Is everyone aware of the little two wire connector located near the back side of the power steering reservoir that (once a month) is used to run the diesel h...

[S10-EV] Cold Cab

Stephen Weitz Mon, 10 Dec 2007 22:14:48 -0800 2007 Thread size 4
Hi Niel, I am in a moderately warm climate (the SF Bay Area). I don't use the heat at all. It simplifies all the problems you wrote about. You might try what some have done as reported on the RAV4 EV e-mail list serve: install and electric heated seat instead of heating the ai...

[S10-EV] Cold Cab

Niel Nielsen Mon, 10 Dec 2007 23:58:40 -0600 2007 Thread size 4
I don't think that GM got the chance to do much testing of the heater system on the S10EV. I'm finding that the control system has a few bugs. The main one is in the decision on when the use the heat pump or the fuel fired heater. It's supposed to use the fuel fired heater whe...