MJ Comanche Tech. Stock & Modified. MJ (86-92)
All discussion regarding the Jeep Comanche, the pickup truck related to the Cherokee platform.

Battery AMP

Old 04-24-2016, 07:27 PM
  #1  
CF Veteran
Thread Starter
 
NorCalJeep's Avatar
 
Join Date: May 2011
Location: Santa Rosa, California
Posts: 2,135
Year: 1987 Comanche,1990
Model: Cherokee
Engine: 4.0L Renix
Default Battery AMP

87 Comanche 4x4 4.0 ax15

The amp reading is low, so i replaced the battery and it still reads low? Could it be a short somewhere or an alternator? Cant figure it out. Thanks CF
NorCalJeep is offline  
Old 04-25-2016, 09:17 AM
  #2  
CF Veteran
 
alpine.adrenaline's Avatar
 
Join Date: Aug 2009
Location: 9000 ft, CO
Posts: 1,082
Year: 1999 XJ
Model: Cherokee
Engine: I6 4.0L
Default

Originally Posted by NorCalJeep View Post
87 Comanche 4x4 4.0 ax15

The amp reading is low, so i replaced the battery and it still reads low? Could it be a short somewhere or an alternator? Cant figure it out. Thanks CF

How and where are you reading amperage?
alpine.adrenaline is offline  
Old 04-25-2016, 02:18 PM
  #3  
CF Veteran
 
zebvance's Avatar
 
Join Date: Feb 2012
Location: college station
Posts: 1,116
Year: 1988
Model: Comanche
Engine: 4.0
Default

Whats the reading when its running and not running?
zebvance is offline  
Old 04-25-2016, 07:38 PM
  #4  
CF Veteran
Thread Starter
 
NorCalJeep's Avatar
 
Join Date: May 2011
Location: Santa Rosa, California
Posts: 2,135
Year: 1987 Comanche,1990
Model: Cherokee
Engine: 4.0L Renix
Default

i meant the volt gauge on instrument cluster. Sorry been working none stop these past couple weeks, and i havent driven my jeep in a month.
NorCalJeep is offline  
Old 04-25-2016, 09:36 PM
  #5  
Banned
 
Join Date: Jan 2014
Posts: 1,054
Model: Cherokee
Default

Likely a bad alt.
Jeep Driver is offline  
Old 04-26-2016, 08:05 AM
  #6  
::CF Moderator::
 
cruiser54's Avatar
 
Join Date: Aug 2011
Location: Prescott, Az
Posts: 37,736
Year: 1990
Model: Comanche
Engine: 4.0
Default

Easy enough to test the alternator.

Of my Tips, how many have you completed?
cruiser54 is offline  
Old 04-27-2016, 10:39 AM
  #7  
CF Veteran
 
zebvance's Avatar
 
Join Date: Feb 2012
Location: college station
Posts: 1,116
Year: 1988
Model: Comanche
Engine: 4.0
Default

still didn't let us know what the readings are?
zebvance is offline  
Old 04-28-2016, 06:27 PM
  #8  
CF Veteran
Thread Starter
 
NorCalJeep's Avatar
 
Join Date: May 2011
Location: Santa Rosa, California
Posts: 2,135
Year: 1987 Comanche,1990
Model: Cherokee
Engine: 4.0L Renix
Default

Originally Posted by cruiser54 View Post
Easy enough to test the alternator.

Of my Tips, how many have you completed?
Most of them. I did it when i first bought it and it didnt pass smog. Anyone got link to how to test bad alt?
NorCalJeep is offline  
Old 04-29-2016, 12:22 PM
  #9  
CF Veteran
 
zebvance's Avatar
 
Join Date: Feb 2012
Location: college station
Posts: 1,116
Year: 1988
Model: Comanche
Engine: 4.0
Default

Originally Posted by zebvance View Post
still didn't let us know what the readings are?
this could help you if we knew.....
zebvance is offline  
Old 04-30-2016, 08:34 PM
  #10  
CF Veteran
Thread Starter
 
NorCalJeep's Avatar
 
Join Date: May 2011
Location: Santa Rosa, California
Posts: 2,135
Year: 1987 Comanche,1990
Model: Cherokee
Engine: 4.0L Renix
Default

Originally Posted by zebvance View Post
this could help you if we knew.....
i have no idea what to do lol. I found my multimeter i had in storage. got out of the corps not too long ago.
NorCalJeep is offline  
Old 05-02-2016, 11:17 AM
  #11  
CF Veteran
 
zebvance's Avatar
 
Join Date: Feb 2012
Location: college station
Posts: 1,116
Year: 1988
Model: Comanche
Engine: 4.0
Default

Originally Posted by NorCalJeep View Post
i have no idea what to do lol. I found my multimeter i had in storage. got out of the corps not too long ago.


So how do you know you have low voltage? what does the gauge read?
zebvance is offline  
Old 05-03-2016, 10:34 AM
  #12  
CF Veteran
Thread Starter
 
NorCalJeep's Avatar
 
Join Date: May 2011
Location: Santa Rosa, California
Posts: 2,135
Year: 1987 Comanche,1990
Model: Cherokee
Engine: 4.0L Renix
Default

Originally Posted by zebvance View Post
So how do you know you have low voltage? what does the gauge read?
The instrument cluster
NorCalJeep is offline  
Old 05-03-2016, 10:39 AM
  #13  
CF Veteran
 
zebvance's Avatar
 
Join Date: Feb 2012
Location: college station
Posts: 1,116
Year: 1988
Model: Comanche
Engine: 4.0
Default

ok I give up. Im out............
zebvance is offline  
Old 05-03-2016, 02:22 PM
  #14  
::CF Moderator::
 
cruiser54's Avatar
 
Join Date: Aug 2011
Location: Prescott, Az
Posts: 37,736
Year: 1990
Model: Comanche
Engine: 4.0
Default

Originally Posted by zebvance View Post
ok I give up. Im out............
Me too. Unsubscribed.
cruiser54 is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
LocoLobo
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
7
04-27-2016 04:40 PM
Lionel Killianjr
Cherokee Chat
4
04-25-2016 03:13 AM
loveoldtrux
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
2
04-24-2016 02:03 PM
s14unimog
Cherokee Chat
0
04-22-2016 02:10 PM
venomous duck
Stock Grand Cherokee Tech. All ZJ/WJ/WK Non-modified/stock questions go here!
3
04-21-2016 01:48 PM

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 

Thread Tools
Search this Thread
Quick Reply: Battery AMP


Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: