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89 mustang 5.0 need helpp finding the main relay

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Main relay for what ? The primary circuits use fuseable links for protection.

Posted on Jul 14, 2013

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Posted on Jan 02, 2017

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SOURCE: 89 ford mustang

my mustang has a new battery,the alternator is good,the starter is good and my car still will not start,even with a new battery.all i can think the problem is .an electrical one. what else could it be.

Posted on Feb 22, 2009

SOURCE: what size belt do i need for a 89 mustang 5.o w/o

Why wouldn't you just go to an auto parts store,buy it and put it on.

Posted on Sep 21, 2010

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85 mustang fuel pump not primeing

See if the oil pressure switch has 3 prongs. If so and it's leaking oil, that may be the problem. I can't recall what year they stopped doing that switch but my '89 had it. Aside from that, check the fuel pump relay. It can click and still not supply power to the pump.

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you need to replace the mass airflow sensor it is defective for that year should be cheap but most likely will need to be ordered

please leave 4 thumbs if it helps

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What size belt do i need for a 89 mustang 5.o w/o a/c and power steering

Why wouldn't you just go to an auto parts store,buy it and put it on.

Sep 21, 2010 | 1989 Ford Mustang

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I replace both fuel pumps on my 1984 mustang 3.8 no elect getting to them can't find reg or main place to get power/ please help

check fuse and relay in engine compartment. Relay should click when key is turned on. If no click, replace relay.

Sep 09, 2010 | 1984 Ford Mustang

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Sep 04, 2010 | 1989 Ford Mustang

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93 ford mustang 5.0 can not find run relay can you help?

When you say run relayed do you mean the main power relay? If so the main power relay should be next to the computer under the kick panel on the passenger side. Also the fuel pump relay is under the driver's seat. Good luck.

Feb 20, 2010 | 1993 Ford Mustang

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89 ford mustang v-6 is the c-clamp going to seat the caliper?

yes it will, just turn in slowly it will set piston bck in,not much force needed if it is hard to seat piston back in caliper you may have a bad hose or caliper, the way to find this out is open bleeder and if its easier to colapse the piston then its a hose if it doesnt make a diffrence then its a bad caliper, but this is only if you have a problem the c clamp will do the job, hope this is helpful.

Feb 19, 2010 | 1989 Ford Mustang

1 Answer

1989 mustang shuts off when hot

Sounds like fuel vapor lock. The fuel gets hot and changes from liquid to gas before entering the cylinders.
Look for metal fuel line bent and touching hot engine part, or no longer in its clamp. You might also insulate the fuel line with pipe insulation from Lowe's or Home Depot.

Sep 28, 2009 | 1989 Ford Mustang

3 Answers

89 ford mustang


Why not Google..... for a local Mustang Enthusiasts Club ?

Good Luck !

Please give a FixYa Rating Please ....I need to be a Guru !

Feb 04, 2009 | 1989 Ford Mustang

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