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Charging system

Tiny
CJPAILLE
  • MEMBER
  • 2008 JEEP PATRIOT
  • 2.4L
  • 4 CYL
  • AWD
  • AUTOMATIC
  • 108,000 MILES
No power to plugs or to the alternator, it has power to post. It is not charging. Brand new alternator had it checked old alternator destroyed itself.
Thursday, December 22nd, 2016 AT 11:32 AM

19 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fusible link in picture it runs off of starter to alternator should have twelve volts. If is okay have a mechanic scan for codes it may be a TPIM module problem or can bus problem.
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Thursday, December 22nd, 2016 AT 11:52 AM
Tiny
CJPAILLE
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Thank you. Is the fusible link for the power to the post or to the plug?
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Thursday, December 22nd, 2016 AT 12:10 PM
Tiny
CJPAILLE
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Also, what are the relays for one relay has a corroded pin?
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Thursday, December 22nd, 2016 AT 12:13 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
What relay? There are none for charging. If it is corroded clean it off and where it plugs in best you can then use dielectric grease on prongs.
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Thursday, December 22nd, 2016 AT 1:17 PM
Tiny
CJPAILLE
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Okay that helps.
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Thursday, December 22nd, 2016 AT 1:29 PM
Tiny
CJPAILLE
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  • 12 POSTS
What does the fusible link power the post or the plug? Thank you
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Thursday, December 22nd, 2016 AT 1:32 PM
Tiny
HMAC300
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Iti powers the alternator if it has power there then it's okat least if it's 12 volts or whatever your battery power is.
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Thursday, December 22nd, 2016 AT 3:51 PM
Tiny
CJPAILLE
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I have power at the post where the main wire connects with a nut 13mm. I do not have power at the plug that plugs into the alternator.
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Thursday, December 22nd, 2016 AT 4:00 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If you are a mechanic then scan it with your scanner to see if it's a can bus problem with a bad module. Not a cheap auto parts scanner it won't pick it up
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Thursday, December 22nd, 2016 AT 5:09 PM
Tiny
CJPAILLE
  • MEMBER
  • 12 POSTS
Why can't you answer my question of what the fusible link powers the stud or the plug I'm a backyard mechanic that label wasn't available don't have a scanner tried to get help here your 1st answer was fusible link already seen that somewhere else I just wanted a better understanding on what the fusible link powers since it's a 10g wire and the plug wires are only 16 or 18 gauge
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Thursday, December 22nd, 2016 AT 5:18 PM
Tiny
CJPAILLE
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If I had a scanner like that I would have scanned it and I wouldn't asking for help here.
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Thursday, December 22nd, 2016 AT 5:23 PM
Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,005 POSTS
Different Feller,

Mr. Fusible Link powers nothing!

Mr. Fusible Link is a WIRE FUSE!

He is spliced into a wire.

If you will look back at the diagram that my partner, HMAC300 provided you can figure out that the RED/ GRAY that turns into green has Mr. Fusible Link in it.

Mr. Fusible Link is "Rated" in Gauge (10 in this case)

If he is blown/ burnt/ fried/ stretches out like a rubber band, it's time to replace him!

WITH ANOTHER 10 GAUGE FUSIBLE LINK!

Lot's of times he gets blown from someone hooking up jumper cables incorrectly, sometimes it's from something else.

The Medic
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Thursday, December 22nd, 2016 AT 7:54 PM
Tiny
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If you would look back at your partners answers he said it powers the alternator now you say it powers nothing
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Friday, December 23rd, 2016 AT 1:54 AM
Tiny
HMAC300
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The fusible link is a protective device which in your case would be the large wire or pole wher eit connects to I kind of though you could figure that part out since I sent the diagram. But in your case I really think this is a can/bus problem that needs a scanner hooked to it like I said previously to see what the problem is. Next time don't put down you are a mechanic, put knows alot
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Friday, December 23rd, 2016 AT 6:36 AM
Tiny
CJPAILLE
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Thank you I agree I'm taking it in to get scaned.
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Friday, December 23rd, 2016 AT 7:17 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Also which cj said to replace with another 10 gauge is incorrect the link is probably 14 or so gauge so it burns up instead of 10 gauge but that 's something for auto parts to let you know.
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Friday, December 23rd, 2016 AT 7:52 AM
Tiny
CJPAILLE
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Thank you for your help. Will let you know what it turns out to be.
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Friday, December 23rd, 2016 AT 8:09 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Hey,

Did you ever get the problem fixed?

Best, Ken
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Tuesday, December 27th, 2016 AT 9:10 AM
Tiny
CJPAILLE
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Taking it to a shop tomorrow morning.
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Tuesday, December 27th, 2016 AT 11:54 AM

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