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88 blazer questions

6 posts in this topic

so i just got a blazer, (first vehicle) and it seems like nothing works on it.. why would the wind sheld wipers not work?, the check gages light comes on when i step on the brakes, auto locks have to be pushed a dozen or so times to lock how can i fix these issues?? confused

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the check guages light is instructing you to do just that. is the brake warning light or something coming on as well?

pick up a shop manual for it.

wiper motor is bad?

is it just one door lock switch thats bad or all of them? might just be a bad door switch or master switch.

keep in mind you are dealing with a 21 year old vehicle.......

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When you step on the brakes does the charging voltage or oil pressure drop?

For the wiper motor twist the main connector at the motor back and forth with the wiper switch in the on position. If it starts working Than the motor is fine and its a connection issue. If that doesn't work tap the metal part with the plastic end of a screwdriver. If it starts working than the motor is probably bad. If that doesn't work run a jumper wire from the metal part of the motor to the ground side of the battery. If it starts working than its a bad ground which is usually where the motor is bolted to the firewall.

Do you here anything when you push the button for the locks?

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the oragne check gages comes on then the red brake light comes on but it stopps fine even with a boat loaded with a ton of junk noting is out the ordanary with it..as for the wipers they are hooked to a circut board that doesnt seem to work if you directly hook the battery to the motor it works fine, might just jury rig a 3 speed toggle to it and call it good.. as for the locks they do lock/unlock but the button has to be pushed a buncha times.. fix a day drive an hour...

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Sounds like there is an issue with the brakes maybe? Is it low on fluid, are they leaking, have you taken a good look at them?

It the cicuit board looks like this or simular

JuneA.jpg

Check the solder joints on the backside

pulse.jpg

These two solder joints are real common to fail

pulseclose.jpg

Resoldering these joints will usually fix them!

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the brakes are a little stronger in the front, and yes they were just completly re-done 400miles ago.. the circut board looks like that but its straight. ill go look around the junkyard this afternoon and look for one that might work.. thanks for the help!!!

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