Battery light 01 tacoma

Asked by Mar 28, 2018 at 01:15 PM about the 2001 Toyota Tacoma

Question type: General

Replaced alternator last September. So just over a
year old. New battery the other day. The battery
light comes on and off. Usually whenever my rpms
drop below 1500 sometimes 2000.  Checked
connections as well as terminals and all seem fine.  
Any ideas?

2 Answers

4,720

I'd use a digital multimeter on the generator bat terminal, check voltage different rpms. Usually I want the charging system voltage to be over 13 volts with all accessories on, if possible. The way I understand charge indicator lamp circuits, with engine running, voltage on both circuits, no ground, w/o a ground the lamp can't come on, unless problem with instrument cluster or wiring circuits--generator. If the charging system out-put is good at different rpms, I guess it's up to you if want to worry about the lamp. Just my opinion. I didn't see any computer control over your generator, in the wiring diagram.

Just bought multi meter today I'll check it out. Thanks for the tips I'll post my findings.

Your Answer:

Toyota Tacoma Experts

  • #1
    F_O_R
    Reputation
    650
  • #2
    BURT100
    Reputation
    510
  • #3
    dandyoun
    Reputation
    460
View All

Related Models For Sale

Used Toyota Tundra
17 Great Deals out of 1,612 listings starting at $4,500
Used Ford F-150
124 Great Deals out of 10,238 listings starting at $2,000
Used Toyota 4Runner
9 Great Deals out of 562 listings starting at $6,690
Used Nissan Frontier
9 Great Deals out of 718 listings starting at $3,995
Used Chevrolet Silverado 1500
63 Great Deals out of 10,449 listings starting at $4,750
Used Ford Ranger
4 Great Deals out of 451 listings starting at $1,999
Used GMC Sierra 1500
53 Great Deals out of 9,538 listings starting at $4,595
Used Jeep Wrangler
20 Great Deals out of 1,509 listings starting at $4,995
Used Toyota Camry
35 Great Deals out of 1,634 listings starting at $1,995
Used Dodge Ram 1500
15 Great Deals out of 406 listings starting at $4,900
Used Toyota RAV4
65 Great Deals out of 3,451 listings starting at $3,495

Used Cars for Sale

2019 Toyota Tacoma For Sale
1,064 listings starting at $30,870
2018 Toyota Tacoma For Sale
4 Great Deals out of 160 listings starting at $30,435
2017 Toyota Tacoma For Sale
5 Great Deals out of 113 listings starting at $27,900
2016 Toyota Tacoma For Sale
103 listings starting at $26,589
2015 Toyota Tacoma For Sale
4 Great Deals out of 88 listings starting at $19,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.