2003 GMC SIERRA DENALI jump cable

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Page 312 of 428

GMC SIERRA DENALI 2003  Owners Manual Vehicle  Storage 
If you’re  not  going to drive  your  vehicle for 25 days 
or  more,  remove  the  black,  negative 
(-) cable from the 
battery.  This will help  keep  your  battery from 
runnir

Page 313 of 428

GMC SIERRA DENALI 2003  Owners Manual Notice: If the other  system  isn’t  a  12-volt  system 
with  a negative  ground, both vehicles can be 
damaged. 
2. Get  the vehicles close  enough so the jumper  cables 
can  reach,  but  be  sur

Page 314 of 428

GMC SIERRA DENALI 2003  Owners Manual Using a match near a battery  can  cause  battery 
gas  to explode.  People  have  been  hurt  doing 
this,  and  some  have  been  blinded.  Use  a 
flashlight  if  you  need  more  light. 
Be  sure

Page 316 of 428

GMC SIERRA DENALI 2003  Owners Manual I 10. Connect the  other 
end  of the 
negative 
(-) cable 
to  the  negative 
(-) 
terminal  of the dead 
battery  or  to  a  remote 
negative 
(-) terminal 
if the  vehicle  has one. 
11. Now start

Page 317 of 428

GMC SIERRA DENALI 2003  Owners Manual A 8 
Jumper Cable Removal 
A. Heavy, Unpainted Metal  Engine Part or Remote 
9. Good Battery  or Remote  Positive (+) and Remote 
C. Dead  Battery  or Remote  Positive (+) Terminal 
Negative Terminal