RE: ? dead battery

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RE: ? dead battery

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Blazer Forum >> Mechanical & Maintenance >> General Tech Help >> 2nd Gen S-series (1995-2005) Tech >> RE: ? dead battery

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RE: ? dead battery - 10/15/2007 6:30:11 AM

drperry

Posts: 3926
Joined: 1/12/2007
From: GP AB CA
Status: offline

When you turn the key to run, if you don't start it right away, you should hear the pump cycle, as long as your window or door is open...

You could always try boosting the Blazer, lol.

It could also be coincidental fuel pump failure... As I understand it, the pump isn't always a long life product on these things...

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Post #: 21

RE: ? dead battery - 10/15/2007 8:23:44 PM

silentknight

Posts: 17
Joined: 8/23/2006
Status: offline

Cannot hear pump cycle, I laid under fuel tank and had wife put switch to RUN. Also checked pressure in line (no gauage, pressed something into valve while trying to crank, nothing came out). So, guess I will replace FP this weekend. Any advice / how -to as far as dropping fuel tank etc?

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Post #: 22

RE: ? dead battery - 10/15/2007 8:32:02 PM

rriddle3

Posts: 1552
Joined: 12/22/2006
From: Fort Worth,Texas
Status: offline

Here's one of the latest threads on that matter:
http://www.blazerforum.com/m_100227/tm.htm

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Post #: 23

RE: ? dead battery - 10/15/2007 8:32:22 PM

swartlkk

Posts: 15294
Joined: 5/1/2005
From: Waterloo, NY
Status: online

I would test for power at the pump before replacing it. Would suck to do all that work and find out that the fuse or relay failed...

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Post #: 24

RE: ? dead battery - 10/15/2007 8:58:37 PM

silentknight

Posts: 17
Joined: 8/23/2006
Status: offline

When getting fuel out of tank, was reading another post stating something about a ball check valve in fill outlet, preventing siphoning. ???? Is this the case?????

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Post #: 25

RE: ? dead battery - 10/16/2007 10:19:58 PM

silentknight

Posts: 17
Joined: 8/23/2006
Status: offline

Could it be anti-theft system has kicked in for some reason and disabled fuel?

Just trying to cover all bases.

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Post #: 26

RE: ? dead battery - 10/19/2007 1:25:57 AM

silentknight

Posts: 17
Joined: 8/23/2006
Status: offline

Just another quick question, where is the ICM located? Passenger side of motor on top behind alternator or elsewhere?

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Post #: 27

RE: ? dead battery - 10/19/2007 3:46:36 AM

swartlkk

Posts: 15294
Joined: 5/1/2005
From: Waterloo, NY
Status: online

The ICM is located between the throttle body and the passenger side valve cover. It will have a silver heat sink on it with an electrical connection. Most autoparts stores can test the coil and ICM.

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Post #: 28

RE: ? dead battery - 10/21/2007 9:27:42 AM

silentknight

Posts: 17
Joined: 8/23/2006
Status: offline

Just wanted to let everyone know it was the fuel pump. Replaced it yesterday & Blazer runs fine again.

Thx to everyone who posted suggestions and comments, ya'll were invaluable!

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Post #: 29

RE: ? dead battery - 10/21/2007 9:50:51 AM

swartlkk

Posts: 15294
Joined: 5/1/2005
From: Waterloo, NY
Status: online

Glad you got it all fixed back up!

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Kyle-

My Restoration Projects
Please Do Not PM for Tech Help

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Post #: 30