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-   -   78 f150 no electrons (http://www.f150forum.com/f99/78-f150-no-electrons-174739/)

EBRYAN 10-02-2012 12:10 PM

78 f150 no electrons
 
Hi guys,

Just found this forum the last couple of days ago and signed up! I have an electrical problem with my 78 F150 (bought new 1978, $6900). The truck has 4WD, 351M (340K miles, still runs great) 4 speed manual, lots of rust but overall is still a good looking farm truck.


History of problem:

Truck caught fire in Aug. 2011 from gas line leak at carb. Minor damage, mostly heater hoses and electrical. Truck was repaired at local garage that has been doing maintenance on it for most of it's life span. Insurance paid for all repairs (approx. $1400). Truck has been running like new till 1 month ago. Drove it one day to town, came home-next day, no electrics, no lights, no nothing!! I've checked all ground (battery cables), changed the voltage regulator, starter solenoid, changed a portion of the wire with the fuse link to the starter solenoid from the wire harness-NOTHING!! The battery is good, by the way. I've even used a battery cable placed on the block to the frame and body to check for a bad gound; neg battery cable to block/frame... nothing!

Any help would be greatly appreciated. I really miss driving my old truck!

Monty88 10-08-2012 02:24 AM

Did anything smell like electrical fire?

EBRYAN 10-08-2012 08:55 AM

no electrons
 
Nope. No smell of electrical problems the day it last run. It's really strange. I'm not an electrician and I don't really know a lot about electrical systems. I'm going to try to install a new ignition switch today. If that does'nt work, I guess I'll take it back to the shop. Money is tight and I'm trying to save $$.

Monty88 10-08-2012 10:12 PM

Take a dvom and check the voltage of the battery should be around 12.6

EBRYAN 10-09-2012 12:08 PM

Voltage of battery is good at 12.8V (1 year old "optima" battery-910CA, 720CCA). Got the new ignition switch yesterday and it was a pain to remove from behind the dash. Tried to install new key lock barrel and apparently it does not fit. Will have Advance Auto people put new key
barrell in switch. Will try and install switch today if I can leave work early.

13Harleyfan 10-09-2012 12:11 PM

It sounds like you're going in the right direction, check for corrosion where the outside wiring harness connects to the firewall.


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