I have a 2005 Chevy silverado on my way home from work my battery started draining and did so until drained. All gauges n lights quit as well as truck. what's my issue

Asked by Jul 27, 2015 at 03:15 AM about the 2005 Chevrolet Silverado 1500

Question type: Maintenance & Repair

It jump started but then drained again in 9 miles took 3 jumps to go last 3miles home.  
Alternator n battery r about a year old. How can it drain as I drive? And what do I do to
fix it?

7 Answers

Has to be the alternator, one way to check is yo start it then unhook the battery and if it dies then it's your alternator

18,170

Do not remove battery terminal while vehicle is running this can destroy the computer. You could do that with the older vehicles to check if alternator is working but not with the newer vehicles with computers.

18,170

Have alternator tested with a volt meter with vehicle running should be charging at 14 volts. Is the battery light on ?

8,030

remove the battery to service it, charge it up. the charging system did not work so the rig ate the battery. with a charged battery, you can begin diag, you could also just remove the alternator and take it to be checked at the parts store. they could charge and kinda test a battery. generally speaking. if it's totally run dead, you need some serious time on the charger, that may be best done by a shop with a substantial, adjustable pro type charger and take over 4 hours, multiply by 3 for a home trickle charger. if you can check the water, add distilled where needed, if its sealed go by the green eye. you can google that and read about how some indications tell you something. charge in a well ventillated area, clean the places where cables attach with wire brush. pop the battery bolts out and use them as charging posts. inspect wires, connections, power distribution center and fuses. see what that info does for you.

8,030

Depending how many years that battery was in use, you could save the trouble and time by replacing it with one that has a good rating for time, amps, and warranted several years. it has been deep cycled and run totally ead, that does not bode well, and after a few of those, it can be internally compromised. takes careful handling to save it. not have it explode, and continue to give service.

8,030

note any connection trouble, they seem to use less copper every year, the metals are not necessarily what they once were, and plastic is taking the darn thing over, even some of the battery bolts are too short and longer ones could be needed. cables may have issues, distibution box connector, system ground to the frame, body, and engine must be verified, then the warning circuit must prove out, the volt indicator may need to be monitored and compared to a DVOM reading as others suggested. Your amps output can be tested with a shunted ammeter and the control voltage of the regulator must be in spec. there must be no parasitic load over, say 150 mA unless explained in specs or momentary. you need a tech before this is all really checked right, so basics first, then finish with verifying tests. then you can trust it. (A/C delco has the best internal circuitry in their regulators) just sayin, it protects against repeat failures or electrical novice accidents.

44,445

It is likely the alternator or associated wiring. Take a close look at battery cable connections and the alternator connection. What ever you do, do NOT unhook a battery cable while the vehicle is running. Also the reason why the battery is discharging while driving is that the alternator is not charging it and the electronic fuel injectors, ignition system, etc. is taking power from the battery. If the battery is not getting a charge the vehicle will soon quit running do to insufficient power to the electronics.

Your Answer

Add photo

Related Questions

Silverado 1500

Looking for a Used Silverado 1500 in your area?

CarGurus has 167,558 nationwide Silverado 1500 listings starting at $1,800.

ZIP:

Search Chevrolet Silverado 1500 Questions

Chevrolet Silverado 1500 Experts

#1 John Carson
John Carson
Reputation 2,110
#2 Rowefast
Rowefast
Reputation 1,790
#3 Silverado_owner_2006
Silverado_owner_2006
Reputation 1,610
View All

Related Models For Sale

Used GMC Sierra 1500
830 Great Deals out of 66,315 listings starting at $1,995
Used Ford F-150
2,237 Great Deals out of 209,413 listings starting at $1,499
Used Dodge Ram 1500
428 Great Deals out of 11,319 listings starting at $1,000
Used Chevrolet Silverado 2500HD
316 Great Deals out of 26,880 listings starting at $1,250
Used Toyota Tundra
476 Great Deals out of 33,278 listings starting at $3,305
Used Toyota Tacoma
484 Great Deals out of 39,049 listings starting at $2,900
Used Chevrolet Tahoe
557 Great Deals out of 27,464 listings starting at $999
Used Chevrolet Colorado
226 Great Deals out of 23,550 listings starting at $2,200
Used Ford F-250 Super Duty
354 Great Deals out of 47,663 listings starting at $1,795
Used Chevrolet Silverado 2500
8 Great Deals out of 289 listings starting at $3,000
Used Ford Mustang
372 Great Deals out of 46,984 listings starting at $1,500
Used Chevrolet Silverado 1500HD
13 Great Deals out of 269 listings starting at $3,950
Used Dodge Charger
287 Great Deals out of 26,815 listings starting at $2,250

Used Cars For Sale

2017 Chevrolet Silverado 1500 For Sale
49 Great Deals out of 113,747 listings starting at $20,499
2016 Chevrolet Silverado 1500 For Sale
136 Great Deals out of 6,080 listings starting at $18,190
2015 Chevrolet Silverado 1500 For Sale
170 Great Deals out of 7,313 listings starting at $15,888
2014 Chevrolet Silverado 1500 For Sale
283 Great Deals out of 10,389 listings starting at $9,988
2013 Chevrolet Silverado 1500 For Sale
167 Great Deals out of 5,144 listings starting at $6,900