No power at ECMB on fuse panel

No power at ECMB on fuse panel

Postby Chevyguy713 [OP] » September 16th 2012, 6:31pm

1994 Astro EXT 4.3L TBI (Z engine) So got a real jerker of a fuel/electrical problem here... no power to ECMB at fuse panel... fusable link gone at fire wall? Van has been sitting for a few months. Dropped tank replaced fuel pump, fuel filter, fuel relay (firewall). Check all electrical connections? Oil pressure sensor is the only thing not replaced, but no power at the fuse panel? My understanding was the ECMB power at the fuse panel came straight from the battery. Suggestions to prevent insanity? :banghead:
Original Poster [OP]
Chevyguy713
Fueling (Empty tank)
Fueling (Empty tank)
Years of Membership: Chevyguy713 has been a member for 1 full year
Posts: 2
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Joined: September 2012
Gender: Male
Year: 1994
Van Make/Model: Chevrolet Astro
Extra Info: EXT 4.3L TBI RWD

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Re: No power at ECMB on fuse panel

Postby RECox286 » September 16th 2012, 8:24pm

??? Fusible link gone at firewall ??? What do you actually mean ? Is the link fried, MIA, or what. Have you checked for voltage thru the

f/l ? and down stream of them (the red wires that continue the circuit. Open up the large wire loom in back of the battery, and see if

one of the power wires broken open due to corrosion (battery acid related). I had this happen two times. Looked like a gnarled discolored

nodule on the red wire. Cut out the bad boy, and repaired with solder and shrink wrap.

Uncle Bob
Start a fire for a man and he will be warm for a day.
Set a man on fire and he will be warm the rest of his life.

Sent using two Progresso soup cans and a string
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RECox286
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Years of Membership: RECox286 has been a member for 3 full yearsRECox286 has been a member for 3 full yearsRECox286 has been a member for 3 full years
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Re: No power at ECMB on fuse panel

Postby Chevyguy713 [OP] » September 16th 2012, 8:36pm

Yeah it appears the fusible links have all been snipped out and shrink wrapped. Going to check that thanks, I am correct to say power at ECMB at panel all the time? Thank you I'll get back to you. :bouncy:

Amazing!!! Bad wire in the feed at the firewall didn't see it until I almost gave up... soft browned orange wire... cut it shrink wrapped the sucker and boom! there we have pump power. Spent tons of cash, tons of time, hours of blogging, THANK YOU, good for another 450k!!!!!!!!!!! These vans do rule after the bs gets worked out! :bow: :banana: :sleep: :ty:
Original Poster [OP]
Chevyguy713
Fueling (Empty tank)
Fueling (Empty tank)
Years of Membership: Chevyguy713 has been a member for 1 full year
Posts: 2
Topics: 1
Joined: September 2012
Gender: Male
Year: 1994
Van Make/Model: Chevrolet Astro
Extra Info: EXT 4.3L TBI RWD

Re: No power at ECMB on fuse panel

Postby RECox286 » September 17th 2012, 3:57am

Huzzah ! Good to know you got to the bottom of things and it is running again. Amazing that something I said actually

helped !

Keep truck'n

Uncle Bob
Start a fire for a man and he will be warm for a day.
Set a man on fire and he will be warm the rest of his life.

Sent using two Progresso soup cans and a string
User avatar
RECox286
U.S. Armed Forces
U.S. Armed Forces
Firing on 6 Cylinders (L4)
Firing on 6 Cylinders (L4)
Years of Membership: RECox286 has been a member for 3 full yearsRECox286 has been a member for 3 full yearsRECox286 has been a member for 3 full years
Posts: 3665
Topics: 31
Images: 0
Joined: July 2010
Location: South Jersey
Gender: Male
Alias (AKA): Uncle Bob
Year: 1993
Van Make/Model: Chevrolet Astro
Extra Info: RWD V6 [325K mi]


 
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