The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - M&H front lighting wiring harness w/ alt conversion

**'68OrangeSunshine** · 10-10-2008, 08:49 AM

I got an M&H front engine harness back in 2001 for my '71 Jimmy --V8 350,manual,dual headlights,ext volt reg. Worked fine. Fit perfect. Cured a floating ground problem. Was just like factory harness but 30-something years younger and flexible. It wasn't cheap. I got it from Brothers or LMC... Can't remember.
Harness had a tag signed by the guy who built it. I never needed recourse to customer service.

Monty: Do you have a short water pump or the long water pump? The delcotron [alternator] is up high on the driver's side with the short water pump configuration. On the later ['69 or '70] V8s with the long water pump, the alternator was on the passenger side and low. The wiring guys need to know which way your truck is rigged.
Even though my GMC is a '71, for whatever reason [PO's backyard modification?] the 350 was set up like a '68 vintage, with the short water pump.

10-10-2008, 08:49 AM	#10
'68OrangeSunshine Senior Member Join Date: Feb 2002 Location: Tucson, AZ USA Posts: 7,628	Re: M&H front lighting wiring harness w/ alt conversion I got an M&H front engine harness back in 2001 for my '71 Jimmy --V8 350,manual,dual headlights,ext volt reg. Worked fine. Fit perfect. Cured a floating ground problem. Was just like factory harness but 30-something years younger and flexible. It wasn't cheap. I got it from Brothers or LMC... Can't remember. Harness had a tag signed by the guy who built it. I never needed recourse to customer service. Monty: Do you have a short water pump or the long water pump? The delcotron [alternator] is up high on the driver's side with the short water pump configuration. On the later ['69 or '70] V8s with the long water pump, the alternator was on the passenger side and low. The wiring guys need to know which way your truck is rigged. Even though my GMC is a '71, for whatever reason [PO's backyard modification?] the 350 was set up like a '68 vintage, with the short water pump. __________________ Every 25 years I like to rebuild that 292, whether it needs it or not. Last edited by '68OrangeSunshine; 10-11-2008 at 06:27 AM.