1991 Chevrolet C1500 - Page 7 - Answered Questions & Fixed issues

first youll have to take the dash loose by removing the allen screws that hold it in, after that its pretty easy phillips head screws hold it to the dash and the plug just unplug remove the screws holding it replace and reverse the removal. i hope this helps

Have you checked the fuel filter?

check fuel filter, fuel pump pressure, fuel pressure regulator, vacuum leaks, EVAP canister vent valve, and EGR valve stuck.

could be low on fluid

Try this link for GM trans application
http://www.mycertifiedservice.com/_res/pdf/TransmissionPdf/Transmission%20Application%20Chart.pdf

Use a test light and see if there is power to the switch. Then depress the pedal and you should have power on both sides. If there is no power to the switch, check the harness from the fuse box to the switch. If it got that hot, it may have melted the wire covering in the harness. You can use a jumper wire to the power side of the switch and try the brake pedal. You can get an inline fused wire and connect to the power side wire and see if it blows the fuse. That will tell you if the feed in wire is grounded. If there is power at the switch and goes through when you press the pedal down, look at the harness under the truck, especially around connections. Hope this helps. Mike

IT is on top of the axle tubing passenger side

IF you are talking about the front, there is a relay that locks the front axles in ..It is mounted on the housing of the front shaft. it has two wires on it good luck.. frank

Hello!

Left Front Speaker + Gray
Left Front Speaker - Tan

Right Front Speaker+ Dark Green
Right Front Speaker - Light Green

Ground= Black
Illumination= Brown
Ignition= Yellow (hot in on or acc)
Memory= Orange (hot at all times)

Guru.............Saailer


I’m happy to help further over the phone at https://www.6ya.com/expert/david_6df67de3b14de867

YOU JUST NEED TO DROP THE TRANS IT HAS A ONE PIECE OIL SEAL

Is the choke operating properly? You say the current carb has an electric choke, so I am assuming the original carb did not have an electric choke. If that's the case, have you wired the electric choke to a power supply?

Go to Car-Part.com and fill in the search fields. It will tell you in the left hand column once all required fields have been entered. Thanks and please rate my assistance. Happy Holidays.

test and replace head light switch /check dimmer as well

Is the clutch working? Will it roll freely when engaged? If so then it probably is just the linkage sync in the top of transmission. Or it is stuck in probably first or third? Not positive how that one is. But there is three movable linkages. 1 and 2, 3 and 4, 5 and R. In order to shift a different one the one your on has to go back to neutral or the other one won't shift. The gearshift probably jumped over to one that won't move. And you have to take it off and set them back to neutral and put it back together.

Or It has broken gears, which would have to be real bad to keep it out of all gears.

I hope this helps. Too late Im sure.

Zero degree top dead center.

With the advance wire disconected.

Sounds like he might have pinched some wires. Now for the worse news, the transmission out of a 1997 'WILL' not work properly in a 1993, one is a PWM (97) unit the other is not(93).

u can get one cheap at the juckyard they usually have them there or go to the dealership

Hi!!
The MAP sensor is located on right side of the engine, above valve cover. see diag. below, letter "A"

Any chance there's a label under the hood that shows it (normally with engine ID and emissions info). If not, try ordering spark plugs at advance auto parts website - they'll usually show the proper gap info on the item description.

clean a grease all electrical connections first then if problem persists change the switch unless you can prise it apart and clean the contacts inside and get it back together in one piece ,you often can on older motors quite easly