Will a plug on the trany make my truck not start or have anything to do with it? Thought the plug was wired wrong because truck wont shift right

Asked by Jul 10, 2015 at 10:42 PM about the 2000 GMC Sierra 1500

Question type: Maintenance & Repair

Wired the plug different and now it
wont start. And will the plug being
wired wrong make it not shift right?
My reverse lights are on in park. Any
help? 2000 gmc sierra 4 wheel drive

3 Answers

60,765

Yes. The neutral safety switch "thinks" the truck is in reverse now. It will not start in reverse. Do NOT try to start it in any gear but park or neutral. Otherwise the truck will lunge forward or backwards. In other words don't move the shifter and try to start it. Wire things up correctly first and your problem should be solved. HTH. -Jim

It ran before this. I figured id mess with the wires to see if i could get the reverse light to come on in reverse and not park but now the truck wont even turn over. I wired the plug back how it was and it still wont start

Any idea on what wires do what?

Your Answer

Add photo

Related Questions

  • Truck won't start 38 answers

    Recently I have experienced starting issues. One minute it starts and runs great, next time I try to start it it turns over but won't start. Let sit for awhile, turn key, won't start, turn key off...

    1988 GMC Sierra 1500 C1500 Standard Cab SB

    -

    Maintenance & Repair

  • Problem with ground wire from fuel pump connection to truck frame 18 answers

    I changed the fuel pump on my 1996 GMC Sierra earlier in the year. I cut through my truck bed right above the fuel pump so I would have easier access to it. For the most part my truck has been fine b...

    1996 GMC Sierra 1500

    -

    Maintenance & Repair

  • Is it timing or something else 8 answers

    Hi i change my oil and filter, my fuel pump and fuel filter, i also change my rotor distributor cab wires and spark plugs on a gmc sierra v6 4.3l yr 2003. Now my truck shakes a lil and when i step ...

    2003 GMC Sierra 1500 Work Truck Standard Cab LB

    -

    Maintenance & Repair

  • Where is the camshaft position sensor on a 09 GMC Sierra v6 5 answers

    I bought the sensor just can find wher is located at

    2009 GMC Sierra 1500 Work Truck

    -

    Maintenance & Repair

  • shifting problems 44 answers

    i have a 2000 dodge ram 1500 5.2L v8 2wd auto trans and just yesterday while driving down the road my truck wont seem to shift into higher gears the rpm's get higher and higher and it still wont shift...

    2000 Dodge Ram 1500

    -

    Maintenance & Repair

Sierra 1500

Looking for a Used Sierra 1500 in your area?

CarGurus has 62,271 nationwide Sierra 1500 listings starting at $1,395.

ZIP:

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
dragonflyoffshore
Reputation 4,740
#2 John Saffrahn
John Saffrahn
Reputation 3,350
#3 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 2,960
View All

Related Models For Sale

Used Chevrolet Silverado 1500
2,307 Great Deals out of 156,238 listings starting at $1,395
Used Ford F-150
2,878 Great Deals out of 212,656 listings starting at $1,000
Used GMC Sierra 2500HD
154 Great Deals out of 13,588 listings starting at $3,450
Used Dodge Ram 1500
537 Great Deals out of 12,998 listings starting at $2,199
Used Toyota Tundra
624 Great Deals out of 30,697 listings starting at $2,637
Used Chevrolet Silverado 2500HD
358 Great Deals out of 26,069 listings starting at $2,500
Used Toyota Tacoma
625 Great Deals out of 35,082 listings starting at $2,155
Used GMC Yukon
552 Great Deals out of 17,369 listings starting at $1,995
Used Chevrolet Tahoe
807 Great Deals out of 28,674 listings starting at $1,500
Used Ford F-250 Super Duty
427 Great Deals out of 45,049 listings starting at $2,000
Used Chevrolet Camaro
308 Great Deals out of 38,867 listings starting at $1,250
Used GMC Sierra 1500HD
7 Great Deals out of 113 listings starting at $3,900

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
24 Great Deals out of 35,472 listings starting at $23,745
2016 GMC Sierra 1500 For Sale
55 Great Deals out of 4,030 listings starting at $19,980
2015 GMC Sierra 1500 For Sale
124 Great Deals out of 4,111 listings starting at $14,988
2014 GMC Sierra 1500 For Sale
149 Great Deals out of 4,405 listings starting at $14,495
2013 GMC Sierra 1500 For Sale
91 Great Deals out of 2,391 listings starting at $9,000