20 Most Recent 2001 Chevrolet Silverado 3500 Questions & Answers

You have a bad ground at one of the turn signal lamps an the voltage is back feeding through the circuit to find a ground causing this problem .Do you know how to test ground circuits , how to read a wiring diagram ? How to use a wiring diagram to find testing points in the circuit . http://www.bbbind.com/free_tsb.html Mastering Voltage Drop Testing with Pete Meier and Jerry Truglia do you have a volt meter .

When you turn the key on, a light test is performed which is why they go on then - shows there is nothing wrong with the lights. The lights are controlled by a switch either on the steering column or in the console (stick shift). Looks like the switch will need to be replaced.

It really has to have a scanner on it to tell. But here are some things you can try. The OD button is in the off position. Try cycling it as you drive. The light could be bad and you don't know it's off. put the shifter in first gear position, up shift manually. Does it go from first to second? Second to third? You could have lost a gear. Usually first. Usual sign for this is no power take off/sluggish. All of these would throw a code. Some wont turn the check engine light on. Again a scanner is needed. Basically the toque converter clutch solenoid is not engaging..Could be internal problems... Dirty and/or the solenoid is bad.

No just bolts thru the frame, there should be 8 in total.

Try heavier oil or perhaps some additive. Sounds like the motor is getting tired.

what code(s)? does system hold vaccum and release proberly? gas or diesel?

Have your tracking and wheel balance checked

no it wont, it is most likely a transmission slip setting the limp mode. better save for a new allison

Do you have normal compression on all cylinders ? And are those cylinders getting spark ?

check and make sure the powrr wite has a solid cconnection the check the grounds to the starter.

Diesel or gas? Cranks but doesn't start?

Replace Power Steering Pump, seals are blown. As for your brakes, lines need to be bled and adjusted. When bleeding power brakes DO NOT Bleed While Engine Is Running! Doing so will result more problems. Suggest it be done by a certified mechanic at a brake shop such as Pep Boys or even Midas. If brakes are still hard then it may very well be your hydraulic pump ( big circular object connected to the brake master cylinder on the fire wall ) is no longer functioning and must be replaced (rarely happens but....)

Go to Autozone.com and get a free wiring diagram by registering your truck. They also provide fusebox layouts. Some GM units use Relays for the Ignition.You should be able to trace the power from the Ignition switch, through the Relay and out to the ECM. Then it is a matter of finding out where the power dies.Now it takes a pulse to fire the spark and you should have a crankshaft sensor. Check your connections there.Please rate my info.