No spark

Asked by May 27, 2016 at 04:48 PM about the 1997 GMC Sierra 1500 K1500 SLE 4WD Extended Cab SB

Question type: Maintenance & Repair

Recently got the truck with a fresh motor
and trans out of a identical year truck.
Motor was rebuilt now it's installed but not
getting spark.. Changed the coil, plugs,
wires, distribter , crank position sensor.
Has power to where it needs to but no
spark or pulse ( tested with led test light).
I'm totally stumped on what to do and
what the cause could be. Please help

2 Answers

11,725

Plug into the OBDII DLC port check the codes..have it scanned

I was under the impression that a computer couldn't be read without the motor running cause it will only read what codes was stored in it from the previous motor

Your Answer

Add photo

Related Questions

  • NO SPARK 305 ENGINE 2 answers

    NO SPARK

    GMC Sierra 1500

    -

    Maintenance & Repair

  • 2006 gmc sierra 5.3 no spark 6 answers

    I have a 2006 gmc sierra 1500 with a 5.3 and it won't start due to no spark. Have replaced crank sensor and still no spark. Any suggestions?

    2006 GMC Sierra 1500 SLE1 Crew Cab 4WD 5.8 ft. SB

    -

    Maintenance & Repair

  • No signal to coil pack 1 answer

    I got 2006 gmc 4.3 getting power at everything. .. but no signal at everything need help

    2006 GMC Sierra 1500

    -

    Maintenance & Repair

  • No spark, No fuel pressure. No communication to scanner 16 answers

    So here's what it did. Started up fine then I drove 4miles and i went to give it gas and I had no power then it started chugging like it wasn't getting gas or it had a misfire. I pulled over put it...

    2000 GMC Sierra 1500 SLT Extended Cab SB

    -

    Maintenance & Repair

  • no spark 11 answers

    I change out motors and wiring harness from 4.3 to 5.7 I'm getting power to the coil and ignition module but not out of the coil

    1996 GMC Sierra 1500 C1500 SLE Standard Cab SB

    -

    General

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
dragonflyoffshore
Reputation 4,920
#2 John Saffrahn
John Saffrahn
Reputation 3,490
#3 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 3,070
View All

Related Models For Sale

Used Ford F-150
2,229 Great Deals out of 208,159 listings starting at $1,499
Used Dodge Ram 1500
432 Great Deals out of 11,272 listings starting at $1,000
Used Toyota Tacoma
488 Great Deals out of 38,761 listings starting at $2,900
Used GMC Yukon
356 Great Deals out of 16,966 listings starting at $2,500
Used Chevrolet Tahoe
567 Great Deals out of 27,281 listings starting at $999
Used Chevrolet Camaro
157 Great Deals out of 32,775 listings starting at $1,995
Used GMC Sierra 2500
164 listings starting at $4,995

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
38 Great Deals out of 41,409 listings starting at $20,121
2016 GMC Sierra 1500 For Sale
91 Great Deals out of 3,773 listings starting at $17,695
2015 GMC Sierra 1500 For Sale
100 Great Deals out of 3,880 listings starting at $15,400
2014 GMC Sierra 1500 For Sale
98 Great Deals out of 4,237 listings starting at $14,495
2013 GMC Sierra 1500 For Sale
67 Great Deals out of 2,120 listings starting at $9,260