gmbellew's latest activity
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Ggmbellew replied to the thread Vintage Air Gen V (5) or replace existing compressor, etc., for 1987 R20 Suburban?.The front system does seem to be boosted when the rear is on in mine also, and I usually at least use the rear fan on LOW when the front...
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Ggmbellew replied to the thread Vintage Air Gen V (5) or replace existing compressor, etc., for 1987 R20 Suburban?.I followed this post - https://www.gmsquarebody.com/threads/r4-to-sanden-whith-stock-ac-lines-for-serpantine.22437/ it was suburban...
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GThanks for your response and input gmbellew. I got it running as it was the ICM. Will definitely get a spare and carry it with. Thanks...
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Ggmbellew replied to the thread 1987 R10 shutoff while driving.I'd say the ICM in the distributor is a highly likely suspect. If you don't want to do further diagnostic to be sure, this is one time...
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Ggmbellew replied to the thread Vintage Air Gen V (5) or replace existing compressor, etc., for 1987 R20 Suburban?.Search the forums., there is a thread on this forum that I followed when I upgraded to a sanden with my 1990 burb. Let me know if you...
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Ggmbellew replied to the thread 1990 suburban Gage/idle fuse circuit shorted.update - that fuse sends power to the TCC brake switch also. the purple wire from the brake switch that runs down to the TCC solenoid at...
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Ggmbellew posted the thread 1990 suburban Gage/idle fuse circuit shorted in Gauge, Speedo & Instrumentation.driving today and all of a sudden had no gauges. ECM was still reporting all the right data - coolant, vss, volts (although volts were...
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Ggmbellew reacted to LeBeepBeep's post in the thread ARA "Speed Controls" Resource-Documentation with
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Ggmbellew replied to the thread Vintage Air Gen V (5) or replace existing compressor, etc., for 1987 R20 Suburban?.stock rebuild for the win
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Ggmbellew replied to the thread No power at temp gauge.infinite resistance means it is open and has no continuity, right? sounds like a bad sending unit?
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Ggmbellew replied to the thread Vince's TBI woes, progressive revelations, and tbi mods..the TPS% being off is probably because of the .adx file you are using? i dont think that would affect things at the ECM. the TPS...
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Ggmbellew replied to the thread Vince's TBI woes, progressive revelations, and tbi mods..I usually just bend the table to adjust TPS voltage at idle. if the tach is bouncing up high at low RPM it sounds like EMI. I used to...
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Ggmbellew replied to the thread Vince's TBI woes, progressive revelations, and tbi mods..I think the ECM uses tps volts at start up as a baseline, and anything less than about 1.0 (maybe even higher) won't mess with the ECM...
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Ggmbellew replied to the thread Vince's TBI woes, progressive revelations, and tbi mods..you'd think if the FPR were torn and leaking or somehow getting too much fuel, that the fuel trims would pick it up as they does the...
