What is a modulator on a chevy 2001 truck 1500

SOURCE: truck would not start, installed fuel

You may want to check your wires. I would also recommend to check for 6-12V w/ DIGITAL multimeter@ TPL and Idling sensor, right under intake manifold. If you have questions let me know I don't have the schematics for the connector w/me right know, but can e-mail them to you if you still have the problem. I had a similar problem as well.
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SOURCE: 2001 chevy truck 1500 airconditioner wont stop running

You could have a problem with the wiring to the blower motor. My mom has a 2006 Tahoe that would only blow out any air when it wanted to. Turns out, some how a wire going to the motor popped out and was grounding itself on another wire. If I were you I would take it in to have it looked at before spending the money on buying a new blower motor.

SOURCE: My 2001 chevy 1500 truck will not come out of 4 low

unplug your transfer-case completely

Colin Stickland

• 22516 Answers
• Posted on Jul 21, 2010

SOURCE: only key locked inside 2001 chevy silverado 1500

take paperwork to dealer and order a key

SOURCE: 2001 chevy silverado 1500 AT shifting problems

is your tow/haul button pushed? is the tow/haul light burned out? i would ask myself these questions