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#1
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reversed jumper cables now it wont start
My battery went dead so when I went to jumpstart my car I screwed up and hooked it up backwards. I have replaced the fusible link, and checked all the fuses. I installed a new battery and installed it correctly but it still won't start. All the dash lights come on as normal but the car won't turn over. What should I look at next?
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#2
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What did you use to jump? Another vehicle? Portable charger? Is it ok or dead too?
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"That which can be asserted without evidence can be dismissed without evidence." '92 Dark Teal SVX LS-L, >146,000m 3 pedals, 5 speeds., restoration underway. 2012 Honda Insight, slow but cute. ![]() |
#3
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Isn't the system Diode protected???
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ALICE: 2005 Forester XT (Ice Racing Machine) River: 1992 SVX LS-l 125,000 # 0930 (getting fixed up at the moment) |
#4
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I would check the major fuses or Fuse Link. Good luck and let us know what you find out.
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. Earl .... ... .... ><SVX(*> Subaru Ambassador [COLOR=”silver”]1992 Tri Color L[/COLOR] ~45K (06/91) #2430 1992 Dark Teal LS-L ~184K (05/91) #0739 1992 Claret LS-L ~196K (05/91) #0831 1992 Pearl LS-L ~103K (06/91) #1680 1992 Pearl LS-L ~151K (06/91) #2229 1992 Dark Teal LS ~150K (07/91) #3098 (parts car) 1992 White LS-L ~139K (08/92) #6913 1993 25th AE ~98K (02/93) #164 1993 25th AE ~58K (02/93) #176 1993 25th AE ~107K (02/93) #215 1993 25th AE ~162K (02/93) #223 1994 Laguna Blue Pearl LSi ~124K (1/94) #2408 1994 Laguna Blue Pearl LSi ~144K (10/93) #1484 1994 Laguna Blue Pearl LSi ~68K (10/93) #1525 1994 Barcelona Red LSi ~46K (02/94) #2624 1994 Pearl LSi ~41K (12/93) #1961 1995 Bordeaux Pearl LSi ~70K (02/95) #855 1996 Polo Green LSi ~95K (03/96) #872 1997 Bordeaux Pearl LSi ~55K (08/96) #097 2003 Brilliant Red LS1 Convertible ~29K (04/03) #8951 1999 Magnetic Red LS1 Coupe ~33K (04/99) #6420 My Email | Old Locker | New Locker | Picture of 15 of the 19 |
#5
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Don't just check to see if any are broken, check to see if any have melted or burned, and check they are the correct amperage.
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"That which can be asserted without evidence can be dismissed without evidence." '92 Dark Teal SVX LS-L, >146,000m 3 pedals, 5 speeds., restoration underway. 2012 Honda Insight, slow but cute. ![]() |
#6
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Quote:
If the fuse link opened as a result of you applying voltage at reversed polarity, this would indicate that something in line past the link, went solidly to ground. However as the dash lights work OK, it would appear that the short has cleared and was short lived. Alternatively that the short was on an independent circuit. If so and it remains, there should be another blown fuse 4. Exactly what does and does not now work within the complete electrical system? You say that the car won't turn over. 5. Are you sure that the new battery is fully charged and properly connected. If you turn on the head lights while trying to start the car, do the lights stay reasonably bright, thus indicating a good battery and connections? These are valid questions which can assist with a positive diagnosis. P.S. Meantime don't panic and expect the very worst as may be suggested.
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Trevor, New Zealand. As a child, on cold mornings I gladly stood in cowpats to warm my bare feet, but I detest bull$hit! ![]() Last edited by Trevor; 07-15-2007 at 05:09 AM. |
#7
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I did something similar a couple years ago... I melted my entire underhood fuse box.... Pain in the ass to troubleshoot when the whole thing is melted together inside... Take a peak at yours
Tom |
#8
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Quote:
I use another battery to jump start. I hooked jump battery pos. to dead battery negative and jump battery neg. to jump battery pos. I have went through the underhood fuse box and checked each side of each fuse and installes a new (subaru) fuseable link. I have checked each side of the in car fuse panel and replaced any fuses that where blown. I installed a brand new battery and it is known good. All the accesories work such as radio, headlights, power windows. |
#9
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Okay, so now you need to provide more details regarding what you mean by "it won't start". Is the starter solenoid "clicking"? Do you hear the fuel pump running when you turn the key to On? (I'm assuming it still won't turn over)
-Bill
__________________
Retired NASA Rocket Scientist Most famous NASA "Child" - OSIRIS-REx delivered samples from asteroid BENNU to Earth in Sept. 2023 Center Network Member #989 '92 Fully caged, 5 speed, waiting for its fully built EG33 '92 "Test Mule", 4:44 Auto, JDM 4:44 Rear Diff with Mech LSD, Tuned headers, Full one-off suspension '92(?) Laguna, 6 spd and other stuff (still at OT's place) My Locker |
#10
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I hope I am correct in now assuming that the fuse link was blown due to the mishap, as were other fuses. Can you identify the fuses which you had to replace? This could help a lot.
__________________
Trevor, New Zealand. As a child, on cold mornings I gladly stood in cowpats to warm my bare feet, but I detest bull$hit! ![]() |
#11
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Quote:
Fuel pump is coming on, but there is no solenoid "clicking". |
#12
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Quote:
-Bill
__________________
Retired NASA Rocket Scientist Most famous NASA "Child" - OSIRIS-REx delivered samples from asteroid BENNU to Earth in Sept. 2023 Center Network Member #989 '92 Fully caged, 5 speed, waiting for its fully built EG33 '92 "Test Mule", 4:44 Auto, JDM 4:44 Rear Diff with Mech LSD, Tuned headers, Full one-off suspension '92(?) Laguna, 6 spd and other stuff (still at OT's place) My Locker |
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