20 Most Recent 1996 Chevrolet Blazer - Page 2 Questions & Answers

Could be the fuel pump is not providing the proper fuel pressure ! Fuel psi less than 50 psi no start GM CPI Vortec

Your thermostat is sticking or your radiator or heater core is blocked up. If you keep running it like this you will blow the head gasket or worse (warp the heads or block.) if it's not already the case.

get the unit from a wreckers /junk yard for a 1/4 of the price

That's a pretty big ask Deb. You're talking dozens of pages. Read this post on where to get wiring diagrams and what's involved in getting the right one. http://ricksfreeautorepairadvice.com/get-car-wiring-diagram/ How to get car wiring diagram Ricks Free Auto Repair Advice

Fix your car right away, by clicking the link Chevrolet Blazer

I don't believe there is a main fuse.Chevy uses fuseable link wire that come off the starter.They are like fuses,but they are wires that are made to burn if overloaded.Pull lightly on the wires coming off the starter & see if one or more stretch.This indicates a burnt fuseable link.You can buy fuseable link wire at Auto Zone cheap.Good luck,
ChevRev

the front drive shaft when locked in 4 WD does drive the front diff that inn turn drives the both front wheels if both have the same amount of traction if one wheel is off the ground then the other will spin at twice the speed as that is what a differential is designed to do now if you have a problem diff center ( broken teeth etc ) the there will be awful noises, clunks and bangs as the teeth from the pinion and crown wheel mismatch and hit on each other no noises when in 4WD indicates a good diff center the next problem will be a broken axle at the splines into the diff center spider gears ( same as one wheel off the ground or in a bog) the only wheels doing the driving are the rear wheels next are the "u" joints or cv joints but again there will be lots of noises involved lastly and the most frequent is the drives at the hubs depending on the hub locks you have it will not n be locking in one or both wheels due to faulty actuator , dry damaged locking mechanism, stripped splines or not manually engaged understand this --unless you have limited slip differentials or diff lockers on the vehicle any 2 opposing wheels or any wheels on the same side that have lost traction and regardless of being in 4WD or not you will not be going anywhere so to fix --start at the drive hubs both sides to check actuation , engagement , then work back into the diff

This truck should not be operated on the street in 4WD mode. You need to investigate the front axel CV axel shafts as well as the outer axel carrier bearings. Damage to front brake rotors and possible lock down while operating the vehicle. Safety hazard exist, so do not drive until axel and bearings are checked and repaired

dont understand why you posted this

No ! Do you know how to test electrical circuits ? Use a DVOM - digital volt ohm meter ? Use a wiring diagram to pin point areas for testing in a wiring harness . Fuel pump electrical circuit diagnosis no fuel pressure testing GM The #9 fuse powers the ECM , fuel pump relay , fuel pump switch , engine oil pressure sensor .

A transmission rebuild is most likely needed here.

check operation the throttle control motor or cable if used ( broken /missing return spring

Replace Fan or possibly thermostat module

Is this an aftermarket installation then?

Check the wiring connector on the coil. It may be loose. This really does sound like an issue in the ignition electricals similar to an issue I had with my 95 S-10. The coil itself had loosened as well as he wiring to it.

It possibly could be the alternator.

It sounds like you might have a misfire that is causing the engine to run rich, hence the sputtering and black smoke. When is the last time that you replaced the spark plug wires and the spark plugs? If the 1996 plug wires are like the 1997 plug wires used on the 4.3L S-10, they can be pretty difficult to get a reliable connection at the distributor cap.