Had a battery problem, it went so dead it took a reverse polarity
charge on being recharge! Got that straightened out, then replaced a
blown fuse under the dash (10A fuse labeled Power). This fuse must
have blown when I inadvertently tried hooking up the reverse polarity
battery. All other fuses fine. Fuel pump fuse is ok, and fuel pump
can be heard working.

Engine will not start. I checked, it has good high tension at the
plugs. So I'm thinking a fuel delivery/injection problem somewhere.

Any suggestions where to look next will be deeply appreciated.

del

Del, are you saying you tried to jumpstart your truck reverse-polarity?

I'd say that could probably cause some havoc...look to the ECM being fried.
If the battery is good, try putting a paperclip in the A&B slots on your
ALDL connector(located by your left knee when sitting, A&B are the
uppermost-right 2 slots). TUrn the key to ON, not START, and see if it makes
your check engine light flash.

It's not a guarantee that your ECM(computer) is good, but it would be more
likely to be functioning properly. Let us know if there are any error codes,
as well. it should flash 3 sets of 12's(one flash=number one, 2 flashes=2, 3
flashes-3, Etc).
After the 3 12's should follow any stored codes with another set of 12's
indicating the end of the error log.

Sam

"del" <nospam (AT) starband (DOT) net> wrote

Thanks, Sam... I think you may be right on the ECM.

In answer to your battery question... have you ever heard of a battery
being so deeply discharged that when finally recharged it is reversed
polarity? I'd heard of it, but never experienced it. Wally world gave
me a new one free of charge (hmmm) since it was less than a year old.

Anyway, this evening I jumped the A & B slots on the ALDL, not getting
the 12 count. Check gauges lite comes on and stays on, but the Check
engine light never ever comes on, jumpered for error code or not.

I also checked each fuse in the fuse block electronically, then
checked the fuseable links under the hood.... all good.

A friend has the same 1500 model '88 silverado, and he'll let me swap
his ECM into my rig to verify your diagnosis.

del

On Wed, 02 Jul 2003 01:35:31 GMT, "\"Doc\"" <ask.me (AT) no (DOT) spam> wrote:

"Gary Glaenzer" <nobulltrans (AT) mchsi (DOT) com> wrote

charged was when some one hooked up a *$%! fast charger to the battery
backwards. Needless to say, things were weird and that battery didn't
last long!
Could this have happened here? (Charger hooked up backwards)

Regards, Sam

"del" <nospam (AT) starband (DOT) net> wrote

can't happen

I thank Gawd and Sam.... it was the ECM, $76 exchange at my local NAPA
dealer and it's up and running fine.

del


On Wed, 02 Jul 2003 00:00:56 -0300, Le Boule <proute@pète.naite>
wrote:

Glad to hear!

Sam

"del" <nospam (AT) starband (DOT) net> wrote