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1985 GMC K1500 - Page 6 Questions & Answers
Blower motor not putting out
you may check the amount of voltage by voltmeter at the blower motor connector with your ignation on ( car on idle) and AC running, you need to replace the motor if it reads 12V below. You may also try cleaning the air exhaust for that matter.
I want to put a
The 88 up to 2000 model of this truck utilizes 5 types of automatic transmissions with both 700r4 transmission and the 4L160E. They should bolt on together. Watch out for the lines that go with it including the ground connectors.
Check engine light doesn't come
check the ecm fuses first. then check to see if a scan tool will communicate with the ECM. if not, then check to see if you have a sensor shorted out that is shutting off the 5 volt circuit of the ECM and not allowing to truck to start.
Getting fuell to carb
if computer command truck with an ECM replace the engine's oil pressure sensor. It has 3 wires to it and one runs to the fuel pump to prime upon starting the engine. Once oil pressure is acheived the computer switches that senors wires circuit off and turns on the fuel pump relay to take over the fuel pumps operations till you shut the engine off
Getting fuel to carb getting
if fuel pump is working ? then your float or floats are stuck try softly tapping around carb with a rubber mallet while cranking. dont help floats could be bad, or float seat ****
If i jump orange and
may want to check the fuel pump relay. also the crossed out oil pressure switch is a safety feature to stall the engine if oil pressure drops. it is possible the oil sending unit is bad also.
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